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Search Results: "The Zeroth Power | Arithmetic Operations | 6th Grade | Khan Academy"

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  • 04:32 The Zeroth Power | Arithmetic Operations | 6th Grade | Khan Academy

    The Zeroth Power | Arithmetic Operations | 6th Grade | Khan Academy

    605 views / 0 likes - added

    Learn why a number raised to the zero power equals 1. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-sixth-grade-math/cc-6th-arithmetic-operations/cc-6th-exponents/e/positive_and_zero_exponents?utm_source=Y

  • 06:29 Popular How To Use The Distributive Property With Variables | 6th Grade | Khan Academy

    How To Use The Distributive Property With Variables | 6th Grade | Khan Academy

    1,285 views / 0 likes - added

    Learn how to apply the distributive property to algebraic expressions. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-sixth-grade-math/cc-6th-expressions-and-variables/cc-6th-distributive-property/e/distrib

  • 02:37 Popular How To Write Basic Expressions With Variables | 6th Grade | Khan Academy

    How To Write Basic Expressions With Variables | 6th Grade | Khan Academy

    843 views / 0 likes - added

    Learn how to write basic algebraic expressions. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-sixth-grade-math/cc-6th-expressions-and-variables/cc-6th-writing-expressions/e/writing-expressions-with-variabl

  • 04:05 Popular How To Find Mistakes In One Step Equations | 6th Grade | Khan Academy

    How To Find Mistakes In One Step Equations | 6th Grade | Khan Academy

    748 views / 0 likes - added

    Learn how to spot mistakes in someone else's work as they attempt to solve one-step equations. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-sixth-grade-math/cc-6th-equations-and-inequalities/cc-6th-one-st

  • 03:27 Popular How To Evaluate Expressions In Two Variables With Decimals And Fractions | 6th Grade | Khan Academy

    How To Evaluate Expressions In Two Variables With Decimals And Fractions | 6th Grade | Khan Academy

    1,002 views / 0 likes - added

    Learn how to evaluate expressions that have two different variables in them by using a technique called substitution (or "plugging in"). Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-sixth-grade-math/cc-6t

  • 02:54 Popular How To Describe Real-world Situations With Inequalities | 6th Grade | Khan Academy

    How To Describe Real-world Situations With Inequalities | 6th Grade | Khan Academy

    1,151 views / 0 likes - added

    Learn how to write inequalities to model real-world situation. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-sixth-grade-math/cc-6th-equations-and-inequalities/cc-6th-inequalities/e/inequalities-in-one-var

  • 04:32 Popular How To Solve One-step Equations With Fractions And Decimals | 6th Grade | Khan Academy

    How To Solve One-step Equations With Fractions And Decimals | 6th Grade | Khan Academy

    1,800 views / 0 likes - added

    Learn how to solve one-step addition and subtraction equations that have fractions and decimals in them. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-sixth-grade-math/cc-6th-equations-and-inequalities/cc-

  • 04:21 Popular How To Write One-step Equations For Word Problems | 6th Grade | Khan Academy

    How To Write One-step Equations For Word Problems | 6th Grade | Khan Academy

    1,446 views / 0 likes - added

    Learn how to write basic equations to model real-world situations. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-sixth-grade-math/cc-6th-equations-and-inequalities/cc-6th-super-yoga/e/equations-in-one-vari

  • 04:42 Popular How To Write Algebraic Expressions From Word Problems | 6th Grade | Khan Academy

    How To Write Algebraic Expressions From Word Problems | 6th Grade | Khan Academy

    1,266 views / 0 likes - added

    Learn how to write expressions with variables to describe situations described in word problems. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-sixth-grade-math/cc-6th-expressions-and-variables/cc-6th-alg-e

  • 03:09 Popular How To Write Basic Algebraic Expressions From Word Problems | 6th Grade | Khan Academy

    How To Write Basic Algebraic Expressions From Word Problems | 6th Grade | Khan Academy

    939 views / 0 likes - added

    Learn how to write basic expressions with variables to describe situations described in word problems. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-sixth-grade-math/cc-6th-expressions-and-variables/cc-6th

  • 05:15 Popular Thinking About The Changing Values Of Variables And Expressions | 6th Grade | Khan Academy

    Thinking About The Changing Values Of Variables And Expressions | 6th Grade | Khan Academy

    834 views / 0 likes - added

    Explore how the value of an algebraic expression changes as the value of its variable changes. The algebraic expressions used in this video are 100-x, 5/x + 5, and (3y)/(2y). Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacad

  • 05:20 Popular Order Of Operations: PEMDAS | Arithmetic Properties | Pre-Algebra | Khan Academy

    Order Of Operations: PEMDAS | Arithmetic Properties | Pre-Algebra | Khan Academy

    1,854 views / 0 likes - added

    Work through another challenging order of operations example with only positive numbers. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/order-of-operations/order_of_operations/e/order_of_operations

  • 04:01 Popular Comparing Values With Calculator | Numbers And Operations | 8th Grade | Khan Academy

    Comparing Values With Calculator | Numbers And Operations | 8th Grade | Khan Academy

    1,150 views / 0 likes - added

    Learn how to compare 22.9% to √0.45 using a calculator. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-numbers-operations/cc-8th-approximating-irrational-numbers/e/approximating-irr

  • 04:10 Popular Approximating With Powers Of 10 | Numbers And Operations | 8th Grade | Khan Academy

    Approximating With Powers Of 10 | Numbers And Operations | 8th Grade | Khan Academy

    1,173 views / 0 likes - added

    Learn how to approximate how much larger the world population was than the US population in 2014. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-numbers-operations/cc-8th-orders-of-

  • 02:41 Popular Multiplying Multiples Of Powers Of 10 | Numbers And Operations | 8th Grade | Khan Academy

    Multiplying Multiples Of Powers Of 10 | Numbers And Operations | 8th Grade | Khan Academy

    1,126 views / 0 likes - added

    Learn how to multiply (9 * 10^9) (-2 * 10^-3). Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-numbers-operations/cc-8th-orders-of-magnitude/e/orders-of-magnitude?utm_source=YT&utm_m

  • 03:00 Popular Inverse Property Of Addition | Arithmetic Properties | Pre-Algebra | Khan Academy

    Inverse Property Of Addition | Arithmetic Properties | Pre-Algebra | Khan Academy

    1,731 views / 0 likes - added

    The simple idea that a number plus its negative is 0 Watch the next lesson: https://www.khanacademy.org/math/pre-algebra/order-of-operations/arithmetic_properties/v/inverse-property-of-multiplication?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra M

  • 01:46 Popular Movie Ticket Proportionality | 7th Grade | Khan Academy

    Movie Ticket Proportionality | 7th Grade | Khan Academy

    1,000 views / 0 likes - added

    When going to the movies, is the price you pay proportional to the number of tickets you buy? Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-seventh-grade-math/cc-7th-ratio-proportion/cc-7th-proportional-re

  • 02:39 Popular Proportionality Between Side Length And Perimeter | 7th Grade | Khan Academy

    Proportionality Between Side Length And Perimeter | 7th Grade | Khan Academy

    839 views / 0 likes - added

    Is the perimeter of a square proportional to the side length of the square? Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-seventh-grade-math/cc-7th-ratio-proportion/cc-7th-proportional-rel/e/analyzing-and-

  • 02:57 Popular Banana Proportionality | Rated And Proportional Relationships | 7th Grade | Khan Academy

    Banana Proportionality | Rated And Proportional Relationships | 7th Grade | Khan Academy

    1,592 views / 0 likes - added

    A proportionality problem about eating bananas Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-seventh-grade-math/cc-7th-ratio-proportion/cc-7th-proportional-rel/e/analyzing-and-identifying-proportional-rela

  • 03:46 Popular Testing Whether Area Is Proportional To Side Length | 7th Grade | Khan Academy

    Testing Whether Area Is Proportional To Side Length | 7th Grade | Khan Academy

    1,178 views / 0 likes - added

    Is the volume of a square proportional to the side length of the square? Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-seventh-grade-math/cc-7th-ratio-proportion/cc-7th-proportional-rel/e/analyzing-and-ide

  • 07:43 Popular Basic Addition | Addition And Subtraction | Arithmetic | Khan Academy

    Basic Addition | Addition And Subtraction | Arithmetic | Khan Academy

    1,283 views / 1 likes - added

    Introduction to addition. Multiple visual ways to represent addition. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/arithmetic/addition-subtraction/basic_addition/e/addition_1?utm_source=YT&utm_medium=Desc&ut

  • 03:40 Popular Comparing Decimals Visually Example | 4th Grade | Khan Academy

    Comparing Decimals Visually Example | 4th Grade | Khan Academy

    972 views / 0 likes - added

    Learn how to compare decimals using grid diagrams. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-fourth-grade-math/cc-4th-decimals/cc-4th-compare-decimals-visually/e/comparing-decimals-visually?utm_source=

  • 13:21 Popular Basic Multiplication | Multiplication And Division | Arithmetic | Khan Academy

    Basic Multiplication | Multiplication And Division | Arithmetic | Khan Academy

    1,818 views / 2 likes - added

    Introduction to multiplication Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/arithmetic/multiplication-division/multiplication_fun/e/multiplication_0.5?utm_source=YT&utm_medium=Desc&utm_campaign=Arithmetic Wa

  • 07:40 Popular Comparing Numbers Represented In Different Ways | 4th Grade | Khan Academy

    Comparing Numbers Represented In Different Ways | 4th Grade | Khan Academy

    745 views / 0 likes - added

    Examples of Khan Academy practice problems where you compare decimals, fractions, and number diagrams. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-fourth-grade-math/cc-4th-decimals/cc-4th-compare-decimal

  • 06:55 Popular Place Value For Decimals Greater Than One (examples) | 4th Grade | Khan Academy

    Place Value For Decimals Greater Than One (examples) | 4th Grade | Khan Academy

    1,158 views / 1 likes - added

    Understand decimal numbers that are greater than 1. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-fourth-grade-math/cc-4th-decimals/cc-4th-decimals-greater-than-one/e/decimals-greater-than-one-intuition?ut

  • 02:39 Popular Operations With Polynomials — Harder Example | Math | New SAT | Khan Academy

    Operations With Polynomials — Harder Example | Math | New SAT | Khan Academy

    1,439 views / 0 likes - added

    Watch Sal work through a harder Operations with polynomials problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p11-easier?utm_source=YT&utm_medium=Desc&utm_campaign=N

  • 02:57 Popular Operations With Polynomials — Basic Example | Math | New SAT | Khan Academy

    Operations With Polynomials — Basic Example | Math | New SAT | Khan Academy

    1,501 views / 0 likes - added

    Watch Sal work through a basic Operations with polynomials problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p6-harder?utm_source=YT&utm_medium=Desc&utm_campaign=New

  • 03:06 Popular Decimal Intuition With Grids (examples) | Decimals | 4th Grade | Khan Academy

    Decimal Intuition With Grids (examples) | Decimals | 4th Grade | Khan Academy

    1,243 views / 0 likes - added

    Deepen your understanding of decimal numbers by thinking about grid diagrams. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-fourth-grade-math/cc-4th-decimals/cc-4th-decimals-intro/e/decimal-intuition-with-

  • 01:44 Popular Interpreting Two-way Tables | Data And Modeling | 8th Grade | Khan Academy

    Interpreting Two-way Tables | Data And Modeling | 8th Grade | Khan Academy

    1,718 views / 0 likes - added

    Learn how to read two-way tables. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-counting-topic/cc-early-math-counting/v/counting-with-small-numbers?utm_source=YT&utm_medium=Desc&utm_c

  • 04:37 Popular Fraction-decimal Intuition Problems (examples) | 4th Grade | Khan Academy

    Fraction-decimal Intuition Problems (examples) | 4th Grade | Khan Academy

    1,025 views / 0 likes - added

    Understand the connection between decimals and fractions using a grid diagram. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-fourth-grade-math/cc-4th-decimals/cc-4th-decimal-fractions/e/fraction-decimal-in

  • 04:20 Popular Visually Converting From Tenths To Hundredths | 4th Grade | Khan Academy

    Visually Converting From Tenths To Hundredths | 4th Grade | Khan Academy

    1,175 views / 0 likes - added

    Learn how to convert fractions from tenths to hundredths using grid diagrams. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-fourth-grade-math/cc-4th-fractions-topic/cc-4th-fractions-unlike-denom/e/equivale

  • 03:06 Popular Operations With Rational Expressions — Harder Example | Math | New SAT | Khan Academy

    Operations With Rational Expressions — Harder Example | Math | New SAT | Khan Academy

    1,302 views / 0 likes - added

    Watch Sal work through a harder Operations with rational expressions problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p6-easier?utm_source=YT&utm_medium=Desc&utm_ca

  • 01:47 Popular Decompose Hundredths On Number Line | Fractions | 4th Grade | Khan Academy

    Decompose Hundredths On Number Line | Fractions | 4th Grade | Khan Academy

    1,570 views / 0 likes - added

    Learn how to decompose a fraction with hundredths on a number line. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-fourth-grade-math/cc-4th-fractions-topic/cc-4th-fractions-unlike-denom/e/decompose-fraction

  • 03:53 Popular Missing Number For Addition And Subtraction Within 1000 | 3th Grade | Khan Academy

    Missing Number For Addition And Subtraction Within 1000 | 3th Grade | Khan Academy

    1,815 views / 1 likes - added

    Learn how to solve missing number problems like ___ + 261 = 630. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-third-grade-math/cc-3rd-add-sub-topic/cc-3rd-add-sub-missing-value/e/find-the-missing-number--

  • 00:59 Popular Average Height Of A Building's Floor | Multiplication And Division | 3th Grade | Khan Academy

    Average Height Of A Building's Floor | Multiplication And Division | 3th Grade | Khan Academy

    957 views / 0 likes - added

    Learn how to use the Khan Academy number line widget. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-third-grade-math/cc-3rd-fractions-topic/cc-3rd-fractions-on-the-number-line/e/fractions_on_the_number_lin

  • 04:58 Popular Comparing Fractions Of Different Wholes | Fractions | 3th Grade | Khan Academy

    Comparing Fractions Of Different Wholes | Fractions | 3th Grade | Khan Academy

    1,460 views / 0 likes - added

    Comparing fractions of different wholes Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-third-grade-math/cc-3rd-fractions-topic/cc-3rd-different-wholes/e/naming-the-whole?utm_source=YT&utm_medium=Desc&utm_ca

  • 02:32 Popular Comparing Fractions Visually With Pies | Fractions | 4th Grade | Khan Academy

    Comparing Fractions Visually With Pies | Fractions | 4th Grade | Khan Academy

    1,032 views / 0 likes - added

    Comparing fractions visually with pies Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-fourth-grade-math/cc-4th-fractions-topic/cc-4th-comparing-fractions-visually/e/visually-comparing-fractions?utm_source=Y

  • 03:29 Popular Comparing Decimals Example 1 | Decimals | 4th Grade | Khan Academy

    Comparing Decimals Example 1 | Decimals | 4th Grade | Khan Academy

    1,486 views / 1 likes - added

    Learn how to compare decimals with tenths and hundredths. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-fourth-grade-math/cc-4th-decimals/cc-4th-compare-decimals/e/comparing_decimals_1?utm_source=YT&utm_me

  • 05:38 Popular Decimals As Words | Decimals | 4th Grade | Khan Academy

    Decimals As Words | Decimals | 4th Grade | Khan Academy

    1,353 views / 0 likes - added

    Learn how to describe decimals in words. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-fourth-grade-math/cc-4th-decimals/cc-4th-decimals-intro/e/decimals-in-words?utm_source=YT&utm_medium=Desc&utm_campaign

  • 02:55 Popular Comparing Fractions On A Number Line | Fractions | 4th Grade | Khan Academy

    Comparing Fractions On A Number Line | Fractions | 4th Grade | Khan Academy

    1,437 views / 0 likes - added

    Comparing fractions on a number line Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-fourth-grade-math/cc-4th-fractions-topic/cc-4th-comparing-fractions-visually/e/visually-comparing-fractions?utm_source=YT&

  • 02:35 Popular Comparing Fractions Visually With A Bar | Fractions | 4th Grade | Khan Academy

    Comparing Fractions Visually With A Bar | Fractions | 4th Grade | Khan Academy

    1,096 views / 0 likes - added

    Learn how to compare fractions with unlike denominators by drawing bars Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-fourth-grade-math/cc-4th-fractions-topic/cc-4th-comparing-fractions-visually/e/visually

  • 04:11 Popular Decomposing Hundredths Into Tenths And Hundredths | 4th Grade | Khan Academy

    Decomposing Hundredths Into Tenths And Hundredths | 4th Grade | Khan Academy

    1,471 views / 0 likes - added

    Learn how to decompose a fraction into tenths and hundredths. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-fourth-grade-math/cc-4th-fractions-topic/cc-4th-fractions-unlike-denom/e/decompose-fractions-with

  • 06:06 Popular Equivalent Fractions And Different Wholes | Fractions | 4th Grade | Khan Academy

    Equivalent Fractions And Different Wholes | Fractions | 4th Grade | Khan Academy

    801 views / 0 likes - added

    Learn how two fractions are equivalent only if they refer to the same whole. For example, 1/2 of a small circle is not the same as 1/2 of a big circle. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-fourth-

  • 03:27 Popular How To Use The Distributive Property To Factor Out The Greatest Common Factor | Khan Academy

    How To Use The Distributive Property To Factor Out The Greatest Common Factor | Khan Academy

    1,157 views / 0 likes - added

    Learn how to apply the distributive property to factor numerical expressions (no variables). Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-sixth-grade-math/cc-6th-expressions-and-variables/cc-6th-distribut

  • 03:36 Popular Approximating Irrational Number Exercise Example | Pre-Algebra | Khan Academy

    Approximating Irrational Number Exercise Example | Pre-Algebra | Khan Academy

    1,500 views / 0 likes - added

    Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/order-of-operations/rational-irrational-numbers/e/approximating-irrational-numbers?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Watch the nex

  • 09:50 Popular Can You Solve This 6th Grade Geometry Problem From China?

    Can You Solve This 6th Grade Geometry Problem From China?

    1,254 views / 1 likes - added

    What is the total area of the red spots? The diagram involves a rectangle with dimensions of 10 and 20. Inside the rectangle one of its diagonals is connected. There are two circles of equal size that are tangent to each other and the rectangle. The video

    Featured
  • 04:08 Popular Plotting Decimal Numbers On A Number Line (examples) | Khan Academy

    Plotting Decimal Numbers On A Number Line (examples) | Khan Academy

    899 views / 0 likes - added

    Learn how to find decimals with hundredths on a number line. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-fourth-grade-math/cc-4th-decimals/cc-4th-decimals-number-line/e/decimals_on_the_number_line_2?utm_

  • 08:30 Popular Multiplying And Dividing Negative Numbers | Pre-Algebra | Khan Academy

    Multiplying And Dividing Negative Numbers | Pre-Algebra | Khan Academy

    1,787 views / 0 likes - added

    Multiplying and dividing negative numbers Watch the next lesson: https://www.khanacademy.org/math/arithmetic/absolute-value/abs_value_tutorial/v/absolute-value-and-number-lines?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the previous less

  • 05:34 Popular Multiplying Positive And Negative Numbers | Pre-Algebra | Khan Academy

    Multiplying Positive And Negative Numbers | Pre-Algebra | Khan Academy

    1,375 views / 0 likes - added

    Learn some rules of thumb for multiplying positive and negative numbers. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/arithmetic/absolute-value/mult_div_negatives/e/multiplying_and_dividing_negative_numbers?

  • 03:59 Popular Meet the Comma | Punctuation | Grammar | Khan Academy

    Meet the Comma | Punctuation | Grammar | Khan Academy

    899 views / 1 likes - added

    David and Paige introduce you to the superhero of the punctuation world: the comma! Practice this yourself on Khan Academy right now: . Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/punctuation/the-comma/

  • 03:43 Popular BONUS: The Oxford comma | Punctuation | Grammar | Khan Academy

    BONUS: The Oxford comma | Punctuation | Grammar | Khan Academy

    845 views / 0 likes - added

    David and Paige tackle the great comma debate of our time: Oxford comma or no Oxford comma? Missed the previous lesson? https://www.khanacademy.org/humanities/grammar/punctuation/the-comma/v/appositives-the-comma-punctuation-khan-academy?utm_source=YT&utm

  • 03:00 Appositives | Punctuation | Grammar | Khan Academy

    Appositives | Punctuation | Grammar | Khan Academy

    623 views / 0 likes - added

    David and Paige, KA’s resident grammarians, cover appositives and how to use commas along with them. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/punctuation/the-comma/e/appositives?utm_source=YT&utm_med

  • 03:45 Introduction to the possessive | The Apostrophe | Punctuation | Khan Academy

    Introduction to the possessive | The Apostrophe | Punctuation | Khan Academy

    602 views / 0 likes - added

    Apostrophes can help show when something belongs to someone. Paige and David explain how! Practice this yourself on Khan Academy right now: https://www.khanacademy.org/the-apostrophe/e/introduction-to-the-possessive-case Watch the next lesson: https://www

  • 03:24 Popular More uses for commas | Punctuation | Grammar | Khan Academy

    More uses for commas | Punctuation | Grammar | Khan Academy

    798 views / 0 likes - added

    David and Paige, KA’s resident grammarians, discuss tag questions, yes and no statements, and direct address -- all situations where the comma is super useful. Watch the next lesson: https://www.khanacademy.org/humanities/grammar/punctuation/the-comma/v/c

  • 02:18 Popular Salutations and valedictions | Punctuation | Grammar | Khan Academy

    Salutations and valedictions | Punctuation | Grammar | Khan Academy

    823 views / 0 likes - added

    David and Paige, KA’s resident grammarians, talk about how to address and sign off on letters using commas! Watch the next lesson: https://www.khanacademy.org/humanities/grammar/punctuation/the-comma/v/commas-in-space-and-time-the-comma-punctuation-khan-a

  • 03:00 Popular Commas in dialogue | Punctuation | Grammar | Khan Academy

    Commas in dialogue | Punctuation | Grammar | Khan Academy

    1,158 views / 1 likes - added

    “Today we’re going to talk about using commas in dialogue,” said David and Paige, KA’s resident grammarians. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/punctuation/the-comma/e/commas-in-dialogue?utm_so

  • 04:17 Popular Introduction To Area And Unit Squares | Measurement | Pre-Algebra | Khan Academy

    Introduction To Area And Unit Squares | Measurement | Pre-Algebra | Khan Academy

    1,546 views / 0 likes - added

    Cover figures with square units to find their area. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/measurement/area-basics/e/measuring-area-with-unit-squares?utm_source=YT&utm_medium=Desc&utm_campa

  • 02:31 Choosing between its and it’s | The Apostrophe | Punctuation | Khan Academy

    Choosing between its and it’s | The Apostrophe | Punctuation | Khan Academy

    525 views / 1 likes - added

    David and Paige explain the meaning of two English words that look and sound very similar but act very different: _its_ and _it's_. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/punctuation/the-apostrophe

  • 03:36 Popular Introduction to contractions | The Apostrophe | Punctuation | Khan Academy

    Introduction to contractions | The Apostrophe | Punctuation | Khan Academy

    930 views / 1 likes - added

    Apostrophes are great at standing in for missing letters, allowing us to shorten words. Paige and David discuss contractions and the Principle of Least Effort. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/the-apostrophe/e/

  • 04:28 Popular Introduction To Nouns | The Parts Of Speech | Grammar | Khan Academy

    Introduction To Nouns | The Parts Of Speech | Grammar | Khan Academy

    1,124 views / 0 likes - added

    David, Khan Academy's resident grammarian, introduces you to the most common English part of speech: the noun. Watch the next lesson: https://youtu.be/ETzngG8N3AU About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a pers

  • 03:32 Three types of sentence | Syntax | Khan Academy

    Three types of sentence | Syntax | Khan Academy

    637 views / 0 likes - added

    Three essential types of sentence are declarative sentences (which are statements), interrogative sentences (which are questions), and imperative sentences (which are orders). Join us as we give examples of each! Practice this yourself on Khan Academy rig

  • 07:04 Popular Dependent and independent clauses | Syntax | Khan Academy

    Dependent and independent clauses | Syntax | Khan Academy

    1,278 views / 0 likes - added

    Independent clauses can stand on their own as sentences, but dependent clauses can’t. We’ll take a closer look at what this means. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/syntax/e/dependent-and-independent-clauses Wat

  • 05:12 Ellipses | Punctuation | Khan Academy

    Ellipses | Punctuation | Khan Academy

    665 views / 0 likes - added

    Ellipses are three little dots that we use to show a pause or that a portion of a quote has been removed. Learn how to use them in this video. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/miscellaneous-punctuation/e/introd

  • 04:53 Subject-verb agreement | Syntax | Khan Academy

    Subject-verb agreement | Syntax | Khan Academy

    626 views / 0 likes - added

    Agreement is the art of making sure that sentence parts agree with one another; you want to make sure that your subjects and verbs match up. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/syntax/e/subject-verb-agreement Watc

  • 04:19 Dangling modifiers | Syntax | Khan Academy

    Dangling modifiers | Syntax | Khan Academy

    584 views / 0 likes - added

    A modifying word or phrase “dangles” when it doesn’t apply to the word it’s supposed to modify. Learn how to spot and fix this problem! Practice this yourself on Khan Academy right now: https://www.khanacademy.org/syntax/e/dangling-modifiers/ Watch the ne

  • 04:14 Popular Compound-complex sentences | Syntax | Khan Academy

    Compound-complex sentences | Syntax | Khan Academy

    842 views / 0 likes - added

    Compound-complex sentences are compound sentences with dependent or subordinate clauses added to them. Paige and Rosie explain how to spot and use them. Practice this yourself on Khan Academy right now www.khanacademy.org/syntax/e/complex-and-compound-com

  • 04:11 Advanced (plural) possession | The Apostrophe | Punctuation | Khan Academy

    Advanced (plural) possession | The Apostrophe | Punctuation | Khan Academy

    553 views / 0 likes - added

    Paige and David talk about using apostrophes to show that something belongs to multiple people. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/punctuation/the-apostrophe/e/advanved--plural--possesion Watch

  • 02:51 Apostrophes and plurals | The Apostrophe | Punctuation | Khan Academy

    Apostrophes and plurals | The Apostrophe | Punctuation | Khan Academy

    463 views / 0 likes - added

    There is *one* extremely rare case in which we use apostrophes to make things plural. David and Paige, KA's resident grammarians, discuss this unusual case. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/p

  • 01:51 Punctuating a list | Punctuation | Grammar | Khan Academy

    Punctuating a list | Punctuation | Grammar | Khan Academy

    579 views / 0 likes - added

    Learn how to use commas to punctuate a written list of people, things, actions, or events. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/punctuation/the-comma/e/punctuating-lists?utm_source=YT&utm_medium=

  • 05:07 Popular Complex sentences | Syntax | Khan Academy

    Complex sentences | Syntax | Khan Academy

    769 views / 0 likes - added

    Complex sentences are simple sentences with dependent or subordinate clauses added to them. Paige and Rosie explain how to spot them and use them in this video. Watch the next lesson: https://www.khanacademy.org/humanities/grammar/syntax/v/compound-comple

  • 03:19 Popular Commas in space and time | The Comma | Punctuation | Khan Academy

    Commas in space and time | The Comma | Punctuation | Khan Academy

    818 views / 0 likes - added

    Learn how to use commas when writing addresses (in space) and dates (in time). Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/punctuation/the-comma/e/salutations--valedictions--dates--and-addresses Watch t

  • 08:26 Conjugate acid-base pairs | Acids and bases | Chemistry | Khan Academy

    Conjugate acid-base pairs | Acids and bases | Chemistry | Khan Academy

    579 views / 0 likes - added

    Introduction to conjugate acid-base pairs. Definition and examples of conjugate acid-base pairs. Chemistry on Khan Academy: Did you know that everything is made out of chemicals? Chemistry is the study of matter: its composition, properties, and reactivit

  • 03:48 Recognizing fragments | Syntax | Khan Academy

    Recognizing fragments | Syntax | Khan Academy

    484 views / 0 likes - added

    A sentence fragment is a chunk of language that hasn’t made it all the way to being a working sentence; it might be missing a verb, or there might not be a subject. Learn how to turn a fragment into a sentence in this video! Practice this yourself on Khan

  • 06:08 Popular Beginning sentences with conjunctions | The parts of speech | Grammar | Khan Academy

    Beginning sentences with conjunctions | The parts of speech | Grammar | Khan Academy

    780 views / 0 likes - added

    Is it okay to begin a sentence with a conjunction like "but" or "because"? Yes. David explains why. Missed the previous lesson? https://www.khanacademy.org/humanities/grammar/partsofspeech/conjunctions/v/correlative-conjunctions?utm_source=YT&utm_medium=D

  • 04:18 How to use italics and underlines | Punctuation | Khan Academy

    How to use italics and underlines | Punctuation | Khan Academy

    563 views / 0 likes - added

    Learn how to use italics and underlines when writing the titles of works or when emphasizing a particular word or phrase. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/miscellaneous-punctuation/e/italics--underlines--and-qu

  • 02:34 Subjects and predicates | Syntax | Khan Academy

    Subjects and predicates | Syntax | Khan Academy

    650 views / 0 likes - added

    A subject is the noun or pronoun-based part of a sentence, and a predicate is the verb-based part that the subject performs. Let’s explore how that works in context. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/syntax/e/id

  • 02:50 Exclamations | Syntax | Khan Academy

    Exclamations | Syntax | Khan Academy

    470 views / 0 likes - added

    An exclamation is a sentence that expresses great emotion! David and Paige covered declarative, interrogative, and imperative sentences; now they tackle a fourth type of sentence that ends in an exclamation mark. Find out more! Watch the next lesson: http

  • 03:05 Popular Equal Parts Of Circles And Rectangles | Geometry | Early Math | Khan Academy

    Equal Parts Of Circles And Rectangles | Geometry | Early Math | Khan Academy

    1,356 views / 1 likes - added

    Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-geometry-topic/cc-early-math-fractions-of-shapes/e/equal-parts-of-circles-and-rectangles?utm_source=YT&utm_medium=Desc&utm_campaign=Early

  • 04:35 Popular Introduction To Singular And Plural Nouns | The Parts Of Speech | Grammar | Khan Academy

    Introduction To Singular And Plural Nouns | The Parts Of Speech | Grammar | Khan Academy

    1,267 views / 0 likes - added

    David, Khan Academy's resident grammarian, introduces the difference between singular and plural nouns. Watch the next lesson: https://youtu.be/uYgcuyUF7JQ About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalize

  • 04:35 Commas and introductory elements | Punctuation | Grammar | Khan Academy

    Commas and introductory elements | Punctuation | Grammar | Khan Academy

    522 views / 0 likes - added

    In English, you use commas to separate introductory elements from the rest of a sentence. Find out how with David and Paige! Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/punctuation/the-comma/e/commas-an

  • 04:29 Popular Simple and compound sentences | Syntax | Khan Academy

    Simple and compound sentences | Syntax | Khan Academy

    920 views / 0 likes - added

    A simple sentence contains one independent clause. A compound sentence contains more than one! Put another way: a simple sentence contains a subject and a predicate, but a compound sentence contains more than one subject and more than one predicate. Pract

  • 06:20 Dashes | Punctuation | Khan Academy

    Dashes | Punctuation | Khan Academy

    510 views / 0 likes - added

    Dashes are like little actors—they can behave like colons, pairs of commas, or parentheses. Learn how to use them in this video! Practice this yourself on Khan Academy right now: https://www.khanacademy.org/miscellaneous-punctuation/e/introduction-to-the-

  • 01:51 Possession for words ending in “s” | The Apostrophe | Punctuation | Khan Academy

    Possession for words ending in “s” | The Apostrophe | Punctuation | Khan Academy

    500 views / 0 likes - added

    Do words that end in "s" still need _'s_ to show possession? David and Paige explain! Practice this yourself on Khan Academy right now: https://www.khanacademy.org/the-apostrophe/e/introduction-to-the-possessive-case Watch the next lesson: https://www.kha

  • 07:23 Popular Irregular Plural Nouns, Part II | The Parts Of Speech | Grammar | Khan Academy

    Irregular Plural Nouns, Part II | The Parts Of Speech | Grammar | Khan Academy

    931 views / 0 likes - added

    The plural of "whale" is "whales", but what's the plural of "child"? David, Khan Academy's resident grammarian, explains. About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower

  • 04:07 Popular Pronoun-antecedent agreement | Syntax | Khan Academy

    Pronoun-antecedent agreement | Syntax | Khan Academy

    765 views / 0 likes - added

    An antecedent is “the thing that came before”. When you use a pronoun, it’s standing in for a word you used previously—that’s the antecedent. Join us as we demonstrate how to make sure that your pronouns and antecedents match up with one another: that’s c

  • 02:52 Three ways to end a sentence | Punctuation | Khan Academy

    Three ways to end a sentence | Punctuation | Khan Academy

    578 views / 0 likes - added

    David and Paige, KA’s resident grammarians, introduce the three ways to end a sentence: the period, the exclamation point, and the question mark. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/the-comma/e/three-ways-to-end-a

  • 04:44 Popular Relative clauses | Syntax | Khan Academy

    Relative clauses | Syntax | Khan Academy

    745 views / 0 likes - added

    A relative pronoun is a word like “that” or “which” or “who”, so a relative clause is a clause that begins with a relative pronoun. In the sentence “The dragon who breathed blue fire has retired,” “who breathed blue fire” is a relative clause. Learn more

  • 05:57 Popular Phrases and clauses | Syntax | Khan Academy

    Phrases and clauses | Syntax | Khan Academy

    1,464 views / 0 likes - added

    A phrase is any collection of words that behaves like a part of speech, like a noun phrase (“my brother Stu”), an adjectival phrase (“in a different shade of blue”), or an adverbial phrase (“with elegance and tact”). A clause is any noun phrase plus a ver

  • 04:51 Popular Hyphens vs. dashes | Punctuation | Khan Academy

    Hyphens vs. dashes | Punctuation | Khan Academy

    831 views / 1 likes - added

    Hyphens and dashes look pretty similar, but their uses are very different! Learn when to use each one in this video. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/miscellaneous-punctuation/e/dashes-and-hyphens Watch the nex

  • 02:34 Popular Irregular Plural Nouns, Part I | The Parts Of Speech | Grammar | Khan Academy

    Irregular Plural Nouns, Part I | The Parts Of Speech | Grammar | Khan Academy

    877 views / 0 likes - added

    The plural of "dog" is "dogs", but what is the plural of "leaf"? Khan Academy's resident grammarian explains. Watch the next lesson: https://youtu.be/n9poHOKkF28 About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a perso

  • 07:37 Introduction to reaction quotient Qc | Chemical equilibrium | Chemistry | Khan Academy

    Introduction to reaction quotient Qc | Chemical equilibrium | Chemistry | Khan Academy

    646 views / 0 likes - added

    Introduction to the reaction quotient Qc, and how to use the reaction quotient to predict how the reaction concentrations will change. Chemistry on Khan Academy: Did you know that everything is made out of chemicals? Chemistry is the study of matter: its

  • 04:09 Parentheses | Punctuation | Khan Academy

    Parentheses | Punctuation | Khan Academy

    408 views / 0 likes - added

    Parentheses set off extra information (such as a writer's remarks, an interruption, or a reference) from the rest of a sentence. Learn how to use them in this video! Practice this yourself on Khan Academy right now: https://www.khanacademy.org/miscellaneo

  • 05:05 Parallel structure | Syntax | Khan Academy

    Parallel structure | Syntax | Khan Academy

    652 views / 0 likes - added

    Parallel structure isn’t a set rule, but more of a stylistic choice: it helps sentence elements maintain a pattern. This is a very special episode because it’s Paige’s last video with us as a KA intern! We will miss having Paige as a contributor to the Gr

  • 05:03 Popular Indefinite Pronouns | The parts of speech | Grammar | Khan Academy

    Indefinite Pronouns | The parts of speech | Grammar | Khan Academy

    1,129 views / 0 likes - added

    David, Khan Academy's Grammar Fellow, covers three nifty features of indefinite pronouns, which are pronouns that are just a little vague, y'know? Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspee

  • 04:34 What is a sentence? | Syntax | Khan Academy

    What is a sentence? | Syntax | Khan Academy

    554 views / 0 likes - added

    A sentence is a grammatically complete idea. All sentences have a noun or pronoun component called the subject, and a verb part called the predicate. David and Paige explore this division across several different example sentences. Watch the next lesson:

  • 04:38 Run-ons and comma splices | Syntax | Khan Academy

    Run-ons and comma splices | Syntax | Khan Academy

    592 views / 0 likes - added

    A run-on sentence doesn’t separate any of its independent clauses with the punctuation that it needs, and a comma splice incorrectly separates two independent clauses with a comma, instead of a comma-and-coordinating-conjunction. Practice this yourself on

  • 02:45 Progressive Aspect | The parts of speech | Grammar | Khan Academy

    Progressive Aspect | The parts of speech | Grammar | Khan Academy

    518 views / 0 likes - added

    If verb tense allows you to control the past, the present, and the future, then aspect gives you even finer control over time. David, Khan Academy's resident grammarian, explains. Practice this yourself on Khan Academy right now: https://www.khanacademy.o

  • 01:32 Simple Aspect | The parts of speech | Grammar | Khan Academy

    Simple Aspect | The parts of speech | Grammar | Khan Academy

    603 views / 0 likes - added

    If verb tense allows you to control the past, the present, and the future, then aspect gives you even finer control over time. David, Khan Academy's resident grammarian, explains. Practice this yourself on Khan Academy right now: https://www.khanacademy.o

  • 04:00 Popular What is the Zeroth Law of Thermodynamics?

    What is the Zeroth Law of Thermodynamics?

    1,186 views / 0 likes - added

    Why is there a zeroth law of thermodynamics? What use is such a simple-sounding law? And how can it be used to smash glass? Chemical engineer Valeska Ting explains in the first film from our 2016 advent calendar, all about thermodynamics. Visit the online

  • 04:47 Who versus whom | The parts of speech | Grammar | Khan Academy

    Who versus whom | The parts of speech | Grammar | Khan Academy

    589 views / 0 likes - added

    When do you use who, and when do you use whom? David, KA's grammarian, explains. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/the-pronoun/e/relative-pronouns?utm_source=YT&utm_medium=Desc&u

  • 02:31 Perfect Aspect | The parts of speech | Grammar | Khan Academy

    Perfect Aspect | The parts of speech | Grammar | Khan Academy

    682 views / 0 likes - added

    If verb tense allows you to control the past, the present, and the future, then aspect gives you even finer control over time. David, Khan Academy's resident grammarian, explains. Practice this yourself on Khan Academy right now: https://www.khanacademy.o

  • 07:57 Popular Le Chatelier's principle: Worked example | Chemical equilibrium | Chemistry | Khan Academy

    Le Chatelier's principle: Worked example | Chemical equilibrium | Chemistry | Khan Academy

    936 views / 0 likes - added

    A worked example using Le Chatelier's principle to predict how concentrations will shift for different perturbations. Example includes changes in reaction vessel volume, changing amount of solid product, adding inert gas, and adding a catalyst. Chemistry

  • 03:13 Using quotation marks in titles | Punctuation | Khan Academy

    Using quotation marks in titles | Punctuation | Khan Academy

    560 views / 0 likes - added

    Learn how to use quotation marks to title things like poems, songs, and episodes of TV shows. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/miscellaneous-punctuation/e/italics--underlines--and-quotes/ Watch the next lesson:

  • 01:26 Introduction to verbs | The parts of speech | Grammar | Khan Academy

    Introduction to verbs | The parts of speech | Grammar | Khan Academy

    611 views / 0 likes - added

    Let's explore what verbs are, and what they do! David, KA's Grammar Fellow, explains. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/grammar-verbs/e/identifying-verbs?utm_source=YT&utm_medium

  • 04:33 Popular Coordinating conjunctions | The parts of speech | Grammar | Khan Academy

    Coordinating conjunctions | The parts of speech | Grammar | Khan Academy

    990 views / 0 likes - added

    Coordinating conjunctions connect parts of sentences to each other. David explains how. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/conjunctions/e/meet-the-conjunction?utm_source=YT&utm_me

  • 51:15 Popular Khan Academy Live: SAT Writing

    Khan Academy Live: SAT Writing

    708 views / 0 likes - added

    Need help with SAT writing? Join Eric, one of Khan Academy’s SAT experts, for a live SAT writing class Tuesday, May 30 at 7 pm ET/4pm PT. It’s free! Eric will walk through key grammar concepts like subject-verb agreement and sentence punctuation. Can’t ma

  • 03:15 Personal pronouns | The parts of speech | Grammar | Khan Academy

    Personal pronouns | The parts of speech | Grammar | Khan Academy

    646 views / 0 likes - added

    Let's meet the personal pronouns! Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/the-pronoun/e/meet-the-personal-pronoun?utm_source=YT&utm_medium=Desc&utm_campaign=grammar Watch the next less

  • 03:21 Popular Rational Number Word Problem With Fractions | Pre-Algebra | Khan Academy

    Rational Number Word Problem With Fractions | Pre-Algebra | Khan Academy

    1,707 views / 0 likes - added

    Word problems force us to put concepts to work using real-world applications. In this example, determine the volume of frozen water and express the answer as a fraction. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.o

  • 03:12 Popular Correlative conjunctions | The parts of speech | Grammar | Khan Academy

    Correlative conjunctions | The parts of speech | Grammar | Khan Academy

    999 views / 0 likes - added

    Correlative conjunctions work in pairs to connect parts of sentences. David teaches you how they do it! Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/conjunctions/e/correlative-conjuntions?u

  • 05:27 Popular Subordinating conjunctions | The parts of speech | Grammar | Khan Academy

    Subordinating conjunctions | The parts of speech | Grammar | Khan Academy

    1,204 views / 0 likes - added

    Subordinating conjunctions join two parts of complex sentences––independent clauses to dependent clauses. David explains how. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/conjunctions/e/coo

  • 01:50 Introduction to verb aspect | The parts of speech | Grammar | Khan Academy

    Introduction to verb aspect | The parts of speech | Grammar | Khan Academy

    567 views / 0 likes - added

    If verb tense allows you to control the past, the present, and the future, then aspect gives you even finer control over time. David, Khan Academy's resident grammarian, explains. Practice this yourself on Khan Academy right now: https://www.khanacademy.o

  • 02:01 Popular The present tense | The parts of speech | Grammar | Khan Academy

    The present tense | The parts of speech | Grammar | Khan Academy

    801 views / 0 likes - added

    How do we talk about things that are happening right now? Watch the next lesson: https://www.khanacademy.org/humanities/grammar/partsofspeech/grammar-verbs/v/the-past-tense-verbs-the-parts-of-speech?utm_source=YT&utm_medium=Desc&utm_campaign=grammar Misse

  • 02:53 Popular The truly irregular verbs | The parts of speech | Grammar | Khan Academy

    The truly irregular verbs | The parts of speech | Grammar | Khan Academy

    1,028 views / 0 likes - added

    Some irregular verbs just won't be categorized. They don't fit into neat little boxes. These are those verbs. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/grammar-verbs/e/intro-to-irregular

  • 02:00 Popular The past tense | The parts of speech | Grammar | Khan Academy

    The past tense | The parts of speech | Grammar | Khan Academy

    925 views / 0 likes - added

    When you want to talk about events that have already happened, you use the past tense. Watch the next lesson: https://www.khanacademy.org/humanities/grammar/partsofspeech/grammar-verbs/v/the-future-tense-verbs-the-parts-of-speech?utm_source=YT&utm_medium=

  • 02:54 Popular Helping verbs | The parts of speech | Grammar | Khan Academy

    Helping verbs | The parts of speech | Grammar | Khan Academy

    1,146 views / 0 likes - added

    We've established that verbs can show actions and link ideas together. Now, let's talk about how some verbs can be used to help other verbs. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/gra

  • 02:50 Popular The future tense | The parts of speech | Grammar | Khan Academy

    The future tense | The parts of speech | Grammar | Khan Academy

    957 views / 0 likes - added

    When you want to talk about the future in English, you use the future tense. Watch the next lesson: https://www.khanacademy.org/humanities/grammar/partsofspeech/grammar-verbs/v/linking-verbs-the-parts-of-speech-grammar?utm_source=YT&utm_medium=Desc&utm_ca

  • 05:57 Popular Can You Solve This 6th Grade Geometry Problem From Singapore? The Area Of A "Claw"

    Can You Solve This 6th Grade Geometry Problem From Singapore? The Area Of A "Claw"

    1,116 views / 1 likes - added

    This problem was given to Primary 6 (age 11-12) students in Singapore. What is the area of the shaded region in the video, which consists of the region bounded by 4 quarter circles in a 3x3 grid of squares, and each square has a side length of 4? The shad

  • 05:27 Popular Converting Directly From Binary To Hexadecimal | Pre-Algebra | Khan Academy

    Converting Directly From Binary To Hexadecimal | Pre-Algebra | Khan Academy

    1,277 views / 0 likes - added

    Watch the next lesson: https://www.khanacademy.org/math/pre-algebra/exponents-radicals/World-of-exponents/v/exponents-warmup?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the previous lesson? https://www.khanacademy.org/math/pre-algebra/app

  • 02:55 Popular Emphatic pronouns | The parts of speech | Grammar | Khan Academy

    Emphatic pronouns | The parts of speech | Grammar | Khan Academy

    889 views / 0 likes - added

    Sometimes we use reflexive pronouns like "myself" and "ourselves" for emphasis in a sentence, like, "If you won't help me, then I'll do it myself!" KA's Grammar Fellow, David, explains this usage. Practice this yourself on Khan Academy right now: https://

  • 02:00 Popular What is a pronoun? | The parts of speech | Grammar | Khan Academy

    What is a pronoun? | The parts of speech | Grammar | Khan Academy

    1,067 views / 0 likes - added

    Pronouns are words that can replace nouns, like the way "it" replaces "elephant" in "I looked at the elephant. It was grey." Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/the-pronoun/e/the-q

  • 03:14 The irregular verb gets taken for a ride | Grammar | Khan Academy

    The irregular verb gets taken for a ride | Grammar | Khan Academy

    581 views / 0 likes - added

    This group of irregular verbs have vowel sounds that change in a predictable way, when they go from the present to the past tense. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/grammar-verbs

  • 05:10 Popular Reflexive pronouns | The parts of speech | Grammar | Khan Academy

    Reflexive pronouns | The parts of speech | Grammar | Khan Academy

    1,083 views / 0 likes - added

    We use reflexive pronouns (like "herself" and "ourselves") when the subject and the object of a sentence are the same thing. David, KA's Grammar Fellow, explains. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/gra

  • 05:18 Popular Pronoun number | The parts of speech | Grammar | Khan Academy

    Pronoun number | The parts of speech | Grammar | Khan Academy

    862 views / 0 likes - added

    The difference between something being singular or plural is what we call 'grammatical number' in English. Here's how that idea applies to pronouns! Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofsp

  • 09:17 Popular Unit Conversion Within The Metric System | Pre-Algebra | Khan Academy

    Unit Conversion Within The Metric System | Pre-Algebra | Khan Academy

    1,825 views / 0 likes - added

    Metric unit conversion Watch the next lesson: https://www.khanacademy.org/math/pre-algebra/rates-and-ratios/metric-system-tutorial/v/converting-within-the-metric-system?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the previous lesson? http

  • 05:41 Popular That versus which | The parts of speech | Grammar | Khan Academy

    That versus which | The parts of speech | Grammar | Khan Academy

    964 views / 0 likes - added

    Much has been made of the distinction between "that" and "which" in English, but it can mostly be summed up in two points: 1. "That" doesn't work so well with commas. 2. "Which" doesn't work so well with people. David the Grammarian explains. Watch the ne

  • 04:53 Popular Modal verbs | The parts of speech | Grammar | Khan Academy

    Modal verbs | The parts of speech | Grammar | Khan Academy

    1,461 views / 0 likes - added

    There's a class of helper verbs known as modals that we use to express a bunch of conditions: we can use them to give advice, make guesses at how necessary or likely something is, make requests of people, and so on. They're super useful. Practice this you

  • 01:56 Popular Relative pronouns | The parts of speech | Grammar | Khan Academy

    Relative pronouns | The parts of speech | Grammar | Khan Academy

    1,126 views / 0 likes - added

    We use the relative pronouns to connect clauses together, like "the man *who sold the world* is coming over for dinner." David, KA's Grammar Fellow, explains. Watch the next lesson: https://www.khanacademy.org/humanities/grammar/partsofspeech/the-pronoun/

  • 09:03 BONUS VIDEO | Singular They | The parts of speech | Grammar | Khan Academy

    BONUS VIDEO | Singular They | The parts of speech | Grammar | Khan Academy

    512 views / 0 likes - added

    You may have been hearing a lot about the "singular they" recently. But what is it? How does it work, what is its history, and is it grammatical? Let's find out. Watch the next lesson: https://www.khanacademy.org/humanities/grammar/partsofspeech/the-modif

  • 10:00 Introduction To Number Systems And Binary | Pre-Algebra | Khan Academy

    Introduction To Number Systems And Binary | Pre-Algebra | Khan Academy

    611 views / 0 likes - added

    Watch the next lesson: https://www.khanacademy.org/math/pre-algebra/applying-math-reasoning-topic/alternate-number-bases/v/hexadecimal-number-system?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the previous lesson? https://www.khanacademy.

  • 02:11 Perfect progressive aspect | The parts of speech | Grammar | Khan Academy

    Perfect progressive aspect | The parts of speech | Grammar | Khan Academy

    532 views / 0 likes - added

    We use the perfect progressive aspect to talk about an action that was once ongoing, but has since completed, like "I had been waiting for twenty minutes." Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/pa

  • 03:43 Popular Converting From Decimal To Hexadecimal Representation | Pre-Algebra | Khan Academy

    Converting From Decimal To Hexadecimal Representation | Pre-Algebra | Khan Academy

    1,427 views / 0 likes - added

    Watch the next lesson: https://www.khanacademy.org/math/pre-algebra/applying-math-reasoning-topic/alternate-number-bases/v/binary-addition?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the previous lesson? https://www.khanacademy.org/math/p

  • 06:47 Popular Noble Gas Configuration | Electronic Structure Of Atoms | Chemistry | Khan Academy

    Noble Gas Configuration | Electronic Structure Of Atoms | Chemistry | Khan Academy

    1,485 views / 0 likes - added

    How to write electron configurations for atoms and monatomic ions using noble gas configuration Chemistry on Khan Academy: Did you know that everything is made out of chemicals? Chemistry is the study of matter: its composition, properties, and reactivity

  • 03:02 Popular Linking verbs | The parts of speech | Grammar | Khan Academy

    Linking verbs | The parts of speech | Grammar | Khan Academy

    1,602 views / 0 likes - added

    In a previous video, we established that one thing verbs can do is show actions, like "the bear runs." Verbs can also link ideas to one another, like "the bear looks cheerful." Watch the next lesson: https://www.khanacademy.org/humanities/grammar/partsofs

  • 03:03 Popular Introduction To Exponents | Pre-Algebra | Khan Academy

    Introduction To Exponents | Pre-Algebra | Khan Academy

    1,507 views / 0 likes - added

    Taking an exponent is basically the act of repeated multiplication. You know how to multiply, right? If so, understanding exponents is completely within your grasp! Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/ma

  • 05:34 Subject and object pronouns | The parts of speech | Grammar | Khan Academy

    Subject and object pronouns | The parts of speech | Grammar | Khan Academy

    527 views / 0 likes - added

    Before we get any further with pronouns, let's cover what the difference between a subject and an object pronoun is, because the distinction between those two concepts will start coming up a good deal. Practice this yourself on Khan Academy right now: htt

  • 06:17 Popular Solving Percent Problems | Decimals | Pre-Algebra | Khan Academy

    Solving Percent Problems | Decimals | Pre-Algebra | Khan Academy

    879 views / 0 likes - added

    We'll use algebra to solve this percent problem. Watch the next lesson: https://www.khanacademy.org/math/pre-algebra/decimals-pre-alg/percent-word-probs-pre-alg/v/solving-percent-problems-2?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the

  • 12:49 Popular Scientific Notation Examples | Pre-Algebra | Khan Academy

    Scientific Notation Examples | Pre-Algebra | Khan Academy

    1,159 views / 0 likes - added

    More scientific notation examples Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/exponents-radicals/scientific-notation/e/scientific_notation?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra W

  • 02:48 Popular Adding In Binary | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

    Adding In Binary | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

    1,029 views / 0 likes - added

    Watch the next lesson: https://www.khanacademy.org/math/pre-algebra/applying-math-reasoning-topic/alternate-number-bases/v/binary-multiplication?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the previous lesson? https://www.khanacademy.org/

  • 04:39 Popular Grammatical person and pronouns | The parts of speech | Grammar | Khan Academy

    Grammatical person and pronouns | The parts of speech | Grammar | Khan Academy

    864 views / 0 likes - added

    There's this idea in grammar called grammatical person that helps describe who's being talked about in a sentence. David, KA's Grammar Fellow, explains. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/parts

  • 03:21 Popular Introduction To Perimeter | Measurement | Pre-Algebra | Khan Academy

    Introduction To Perimeter | Measurement | Pre-Algebra | Khan Academy

    784 views / 0 likes - added

    Find perimeter by adding side-lengths of various figures. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/measurement/perimeter/e/perimeter_1?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Wa

  • 07:14 Popular Calculating internal energy and work example | Chemistry | Khan Academy

    Calculating internal energy and work example | Chemistry | Khan Academy

    1,087 views / 0 likes - added

    Worked example calculating the change in internal energy for a gas using the first law of thermodynamics. Watch the next lesson: https://www.khanacademy.org/science/chemistry/thermodynamics-chemistry/internal-energy-sal/v/specific-heat-and-latent-leat-of-

  • 07:50 Popular pH and pKa relationship for buffers | Chemistry | Khan Academy

    pH and pKa relationship for buffers | Chemistry | Khan Academy

    827 views / 0 likes - added

    How the Henderson-Hasselbalch equation can be used to look at the ratio of conjugate acid and base using relationship between buffer pH and pKa. Watch the next lesson: https://www.khanacademy.org/science/chemistry/acid-base-equilibrium/buffer-solutions/v/

  • 01:46 Popular Introduction to verb tense | The parts of speech | Grammar | Khan Academy

    Introduction to verb tense | The parts of speech | Grammar | Khan Academy

    799 views / 0 likes - added

    An understanding of verb tense will make you into a TIME WIZARD, with the ability to control the past, the present, and the future – with your words, anyway. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/

  • 04:52 Possessive pronouns | The parts of speech | Grammar | Khan Academy

    Possessive pronouns | The parts of speech | Grammar | Khan Academy

    662 views / 0 likes - added

    We can use pronouns to show possession relationships, describing what things belong to which people, like "her shoe" or "the book is mine." Possessive pronouns come in two flavors: adjective and noun! David, KA's resident grammarian, covers the difference

  • 20:48 Popular Introduction To Scientific Notation | Pre-Algebra | Khan Academy

    Introduction To Scientific Notation | Pre-Algebra | Khan Academy

    1,901 views / 0 likes - added

    Introduction to scientific notation. An in-depth discussion about why and how scientific notation is used. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/exponents-radicals/scientific-notation/e/sc

  • 09:16 Popular Adding/subtracting Negative Numbers | Pre-Algebra | Khan Academy

    Adding/subtracting Negative Numbers | Pre-Algebra | Khan Academy

    1,347 views / 0 likes - added

    Adding and subtracting negative numbers Watch the next lesson: https://www.khanacademy.org/math/pre-algebra/negatives-absolute-value-pre-alg/mult-div-negatives-pre-alg/v/multiplying-positive-and-negative-numbers?utm_source=YT&utm_medium=Desc&utm_campaign=

  • 03:11 Popular The vowel-shift irregular verb | The parts of speech | Grammar | Khan Academy

    The vowel-shift irregular verb | The parts of speech | Grammar | Khan Academy

    1,182 views / 0 likes - added

    This group of irregular verbs have vowel sounds that change in a predictable way, when they go from the present to the past tense. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/grammar-verbs

  • 02:46 Popular Introduction to Grammar | Grammar | Khan Academy

    Introduction to Grammar | Grammar | Khan Academy

    961 views / 0 likes - added

    Khan Academy Grammarian David Rheinstrom welcomes you to his favorite topic: the study of language, its rules, and its conventions. By understanding English – by speaking it, by writing it, by reading this very sentence – you are a grammarian yourself! Wa

  • 07:34 Popular Hexadecimal Number System | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

    Hexadecimal Number System | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

    1,090 views / 0 likes - added

    Watch the next lesson: https://www.khanacademy.org/math/pre-algebra/applying-math-reasoning-topic/alternate-number-bases/v/decimal-to-binary?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the previous lesson? https://www.khanacademy.org/math

  • 03:29 Introduction to irregular verbs | The parts of speech | Grammar | Khan Academy

    Introduction to irregular verbs | The parts of speech | Grammar | Khan Academy

    562 views / 0 likes - added

    Words like "walk" and "look" are regular verbs – they behave in a predictable way. But there's a whole class of words in English, called irregular verbs, that are harder to predict. David, KA's Grammar Fellow, explains. Practice this yourself on Khan Acad

  • 03:52 Popular Converting From Decimal To Binary | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

    Converting From Decimal To Binary | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

    1,509 views / 0 likes - added

    Watch the next lesson: https://www.khanacademy.org/math/pre-algebra/applying-math-reasoning-topic/alternate-number-bases/v/large-number-decimal-to-binary?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the previous lesson? https://www.khanaca

  • 02:07 Popular Percentage Of A Whole Number | Decimals | Pre-Algebra | Khan Academy

    Percentage Of A Whole Number | Decimals | Pre-Algebra | Khan Academy

    1,516 views / 0 likes - added

    We hope you're beginning to see that there's more than one way to skin a cat. In other words, there are several different ways to solve problems involving percentages, decimals, and fractions. Watch as find the percentage of a whole number. Watch the next

  • 06:56 Popular Exponents And Powers Of Zero Patterns | Pre-Algebra | Khan Academy

    Exponents And Powers Of Zero Patterns | Pre-Algebra | Khan Academy

    1,108 views / 0 likes - added

    Now that we understand how to interpret an exponent and how the patterns in zeros are related to the exponent, we can solve more complicated problems! Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra

  • 08:13 Popular Prime Numbers | Factors And Multiples | Pre-Algebra | Khan Academy

    Prime Numbers | Factors And Multiples | Pre-Algebra | Khan Academy

    1,163 views / 0 likes - added

    What does it mean to be a prime number? Let's progress though some whole numbers and ask ourselves if they meet the criteria. What is the criteria you ask? Watch. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math

  • 05:53 Comparing Q vs K example | Chemical equilibrium | Chemistry | Khan Academy

    Comparing Q vs K example | Chemical equilibrium | Chemistry | Khan Academy

    573 views / 0 likes - added

    A worked example using reaction quotient Q to predict how concentrations will shift so the reaction can get to equilibrium. Watch the next lesson: https://www.khanacademy.org/science/chemistry/acids-and-bases-topic/acids-and-bases/v/arrhenius-definition-o

  • 07:33 Popular Ways to get a buffer solution | Chemistry | Khan Academy

    Ways to get a buffer solution | Chemistry | Khan Academy

    1,246 views / 0 likes - added

    Describes the two main situations where you get a buffer: making a buffer for a specific pH by combining a weak acid and a salt containing the conjugate base, and using a neutralization reaction by combining a weak acid and a strong base. Watch the next l

  • 01:53 The funky -ed irregular verb | The parts of speech | Grammar | Khan Academy

    The funky -ed irregular verb | The parts of speech | Grammar | Khan Academy

    567 views / 1 likes - added

    These are the most regular of the irregular verbs; while they don't behave exactly like regular verbs, like present tense "walk" become past tense "walked", they do maintain the "-ed" sound. It's just spelled differently. Practice this yourself on Khan Ac

  • 06:13 Popular Rate constant k from half-life example | Knetics | Chemistry | Khan Academy

    Rate constant k from half-life example | Knetics | Chemistry | Khan Academy

    920 views / 0 likes - added

    Example problem showing how to find the rate constant k from the half-life of a first order reaction. Watch the next lesson: https://www.khanacademy.org/science/chemistry/chem-kinetics/copy-of-kinetics/v/second-order-reaction-with-calculus?utm_source=YT&u

  • 07:51 Popular Volume: How To Measure It | Measurement | Pre-Algebra | Khan Academy

    Volume: How To Measure It | Measurement | Pre-Algebra | Khan Academy

    778 views / 0 likes - added

    Volume is a measurement in the 3rd dimension. This means that it not only has width and height, but it has depth as well. Let's watch this video in which we get a great explanation of how we measure volume. Practice this lesson yourself on KhanAcademy.org

  • 03:33 Popular Finding A Percentage | Decimals | Pre-Algebra | Khan Academy

    Finding A Percentage | Decimals | Pre-Algebra | Khan Academy

    1,246 views / 0 likes - added

    Once again, fractions are our friends as we use them to find a percentage. You'll also see a couple of different ways to arrive at the answer. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/decimal

  • 04:50 Introduction to the apostrophe | The Apostrophe | Punctuation | Khan Academy

    Introduction to the apostrophe | The Apostrophe | Punctuation | Khan Academy

    603 views / 0 likes - added

    David and Paige, KA’s resident grammarians, introduce a new piece of punctuation: the apostrophe! Practice this yourself on Khan Academy right now: https://www.khanacademy.org/the-comma/e/introduction-to-the-apostrophe Watch the next lesson: https://www.k

  • 04:31 Popular Number Patterns: Interpreting Relationships | Pre-Algebra | Khan Academy

    Number Patterns: Interpreting Relationships | Pre-Algebra | Khan Academy

    1,535 views / 0 likes - added

    Examining the points on a number line and interpreting the patterns to discover the relationships. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/applying-math-reasoning-topic/number-patterns/e/vis

  • 06:52 Popular Introduction To Partial Pressure | Gases And Kinetic Molecular Theory | Chemistry | Khan Academy

    Introduction To Partial Pressure | Gases And Kinetic Molecular Theory | Chemistry | Khan Academy

    1,594 views / 0 likes - added

    Definition of partial pressure and Dalton's law of partial pressure. Example of calculating partial pressure of a gas in a mixture from the total pressure and partial pressure of the other gases in the mixture. Chemistry on Khan Academy: Did you know that

  • 01:34 Popular Solving Ratio Problems With Graph | Pre-Algebra | Khan Academy

    Solving Ratio Problems With Graph | Pre-Algebra | Khan Academy

    1,885 views / 0 likes - added

    In this example we'll plot points on the x and y axis to reflect the given ratios. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/rates-and-ratios/ratios_and_proportions/e/solving-ratio-problems-wi

  • 01:37 Popular Translation Example | Transformations | Geometry | Khan Academy

    Translation Example | Transformations | Geometry | Khan Academy

    1,644 views / 0 likes - added

    Translation example Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/rigid-transformations-intro/e/performing-translations-on-the-coordinate-plane?utm_source=YT&utm_medium=Desc&utm_campa

  • 03:09 Popular Simplifying Square Roots | Exponents, Radicals, And Scientific Notation | Pre-Algebra | Khan Academy

    Simplifying Square Roots | Exponents, Radicals, And Scientific Notation | Pre-Algebra | Khan Academy

    1,761 views / 0 likes - added

    Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/exponents-radicals/radical-radicals/e/simplifying_radicals?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Watch the next lesson: https://www.kh

  • 06:14 Popular How To Plot Inequalities On A Number Line | Pre-Algebra | Khan Academy

    How To Plot Inequalities On A Number Line | Pre-Algebra | Khan Academy

    1,517 views / 0 likes - added

    Learn how to graph an inequality on a number line to indicate which values make it true. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/applying-math-reasoning-topic/greater-than-less-than/e/writin

  • 03:38 Popular Math Patterns Example 1 | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

    Math Patterns Example 1 | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

    711 views / 0 likes - added

    Part of our exploration of math is learning to identify patterns among numbers. Can you see the pattern in this example? Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/exercise/math-patterns?utm_source=YT&utm_mediu

  • 05:05 Popular Solving Ratio Problems With Tables Example 1 | Pre-Algebra | Khan Academy

    Solving Ratio Problems With Tables Example 1 | Pre-Algebra | Khan Academy

    874 views / 0 likes - added

    We're displaying ratios in a table format here, and then asking: given a ratio, solve for equivalent ratios. Here are a few examples to practice on. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/r

  • 04:16 Popular Least Common Multiple Exercise | Factors And Multiples | Pre-Algebra | Khan Academy

    Least Common Multiple Exercise | Factors And Multiples | Pre-Algebra | Khan Academy

    1,135 views / 0 likes - added

    We're practicing finding the least common multiple in these example exercises. We'll teach you the prime factorization approach which is a pretty nifty way to find the lcm (least common multiple). Practice this lesson yourself on KhanAcademy.org right now

  • 05:41 Popular Math Patterns Example 2 | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

    Math Patterns Example 2 | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

    704 views / 0 likes - added

    We continue to strengthen our skill in identifying patterns. This time we'll use a table to track the pattern. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/exercise/math-patterns?utm_source=YT&utm_medium=Desc&utm

  • 04:57 Irregular plural nouns |– foreign plurals | The parts of speech | Grammar | Khan Academy

    Irregular plural nouns |– foreign plurals | The parts of speech | Grammar | Khan Academy

    630 views / 0 likes - added

    You don't need to know how to speak Latin and Greek in order to understand English, but some words in English come from those languages. It's helpful to know how some Greek and Latin words change from singular to plural. Practice this yourself on Khan Aca

  • 02:28 Popular Drawing Line Of Reflection | Transformations | Geometry | Khan Academy

    Drawing Line Of Reflection | Transformations | Geometry | Khan Academy

    1,044 views / 0 likes - added

    Drawing line of reflection Watch the next lesson: https://www.khanacademy.org/math/geometry/transformations/hs-geo-reflections/v/determining-the-line-of-reflection?utm_source=YT&utm_medium=Desc&utm_campaign=Geometry Missed the previous lesson? https://www

  • 04:07 Popular Adding And Subtracting Negative Numbers | Pre-Algebra | Khan Academy

    Adding And Subtracting Negative Numbers | Pre-Algebra | Khan Academy

    1,326 views / 0 likes - added

    Learn how to add and subtract negative numbers. The problems solved in this video are 2 - 3 = -1 and -2 - 3 = -5 and -2 + 3 = 1 and 2 - (-3) = 5 and -2 - (-3). Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pr

  • 01:25 Popular Using Rotation Widget | Transformations | Geometry | Khan Academy

    Using Rotation Widget | Transformations | Geometry | Khan Academy

    1,482 views / 0 likes - added

    Using rotation widget Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/rigid-transformations-intro/e/performing-rotations-on-the-coordinate-plane?utm_source=YT&utm_medium=Desc&utm_campai

  • 03:28 Popular Inequality Word Problems | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

    Inequality Word Problems | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

    1,604 views / 0 likes - added

    We're writing inequalities by using information from the word problems. Woohoo! Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/applying-math-reasoning-topic/greater-than-less-than/e/writing-numeric

  • 02:49 Popular Percent Word Problem Example 2 | Decimals | Pre-Algebra | Khan Academy

    Percent Word Problem Example 2 | Decimals | Pre-Algebra | Khan Academy

    1,172 views / 0 likes - added

    It's nice to practice conversion problems, but how about applying our new knowledge of percentages to a real life problem like recycling? Hint: don't forget your long division! Practice this lesson yourself on KhanAcademy.org right now: https://www.khanac

  • 08:13 Popular Points After Rotation | Transformations | Geometry | Khan Academy

    Points After Rotation | Transformations | Geometry | Khan Academy

    1,116 views / 1 likes - added

    Points after rotation Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/hs-geo-rotations/e/rotations-1?utm_source=YT&utm_medium=Desc&utm_campaign=Geometry Watch the next lesson: https://w

  • 02:46 Popular Defining Rotation Example | Transformations | Geometry | Khan Academy

    Defining Rotation Example | Transformations | Geometry | Khan Academy

    1,691 views / 0 likes - added

    Defining rotation example Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/hs-geo-rotations/e/defining-rotations?utm_source=YT&utm_medium=Desc&utm_campaign=Geometry Watch the next lesson

  • 01:48 Popular Using Reflection Tool | Transformations | Geometry | Khan Academy

    Using Reflection Tool | Transformations | Geometry | Khan Academy

    1,159 views / 0 likes - added

    Using reflection tool Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/rigid-transformations-intro/e/performing-reflections-on-the-coordinate-plane?utm_source=YT&utm_medium=Desc&utm_camp

  • 05:02 Popular Positive And Negative Slope | Algebra I | Khan Academy

    Positive And Negative Slope | Algebra I | Khan Academy

    1,491 views / 0 likes - added

    Positive and negative slope Watch the next lesson: https://www.khanacademy.org/math/algebra/two-var-linear-equations-and-intro-to-functions/slope/v/similar-triangles-to-prove-that-the-slope-is-constant-for-a-line?utm_source=YT&utm_medium=Desc&utm_campaign

  • 02:36 Popular Number Patterns: Seeing Relationships | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

    Number Patterns: Seeing Relationships | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

    1,025 views / 0 likes - added

    Laying the foundation for algebraic thinking by learning to recognize the relationships between patterns and graphing out those relationships. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/applyin

  • 06:20 Popular Greatest Common Factor Explained | Factors And Multiples | Pre-Algebra | Khan Academy

    Greatest Common Factor Explained | Factors And Multiples | Pre-Algebra | Khan Academy

    1,169 views / 0 likes - added

    Here's a nice explanation of least common factor (or least common divisor) along with a few practice example exercises. Let's roll. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/factors-multiples/

  • 08:34 Popular LCM And GCF Word Problems | Factors And Multiples | Pre-Algebra | Khan Academy

    LCM And GCF Word Problems | Factors And Multiples | Pre-Algebra | Khan Academy

    1,796 views / 1 likes - added

    Here we have a couple of word problems--one searching for the least common multiple and the other for the greatest common factor. Just read them with us slowly and follow along. You'll get it. Practice this lesson yourself on KhanAcademy.org right now: ht

  • 03:40 Popular Multi-step Word Problem With Decimals And Subtraction | Pre-Algebra | Khan Academy

    Multi-step Word Problem With Decimals And Subtraction | Pre-Algebra | Khan Academy

    1,568 views / 0 likes - added

    First visualize this word problem then use subtraction and multiplication of decimals and fractions to get at the answer. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/applying-math-reasoning-topi

  • 01:55 Popular Drawing Image Of Translation | Transformations | Geometry | Khan Academy

    Drawing Image Of Translation | Transformations | Geometry | Khan Academy

    1,179 views / 0 likes - added

    Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/hs-geo-translations/e/translations?utm_source=YT&utm_medium=Desc&utm_campaign=Geometry Watch the next lesson: https://www.khanacademy.org

  • 09:43 Popular Exponent Rules Part 1 | Exponents, Radicals, And Scientific Notation | Pre-Algebra | Khan Academy

    Exponent Rules Part 1 | Exponents, Radicals, And Scientific Notation | Pre-Algebra | Khan Academy

    1,580 views / 0 likes - added

    Introduction to exponent rules Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/exponents-radicals/exponent-properties/e/exponent_rules?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Watch the

  • 00:52 Popular Reading Bar Charts: Basic Example | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

    Reading Bar Charts: Basic Example | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

    1,371 views / 0 likes - added

    Let's start with this bar chart that brings back the days of Harry Potter! Putting our toes in the water on this one... Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/applying-math-reasoning-topic/

  • 10:32 Popular Rotating About Arbitrary Point | Transformations | Geometry | Khan Academy

    Rotating About Arbitrary Point | Transformations | Geometry | Khan Academy

    861 views / 0 likes - added

    Rotating about arbitrary point Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/hs-geo-rotations/e/rotations-2?utm_source=YT&utm_medium=Desc&utm_campaign=Geometry Watch the next lesson:

  • 05:41 Popular Points On Line Of Reflection | Transformations | Geometry | Khan Academy

    Points On Line Of Reflection | Transformations | Geometry | Khan Academy

    1,306 views / 0 likes - added

    Points on line of reflection Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/hs-geo-reflections/e/defining-reflections?utm_source=YT&utm_medium=Desc&utm_campaign=Geometry Watch the next

  • 01:32 Popular Formal Translation Tool Example | Transformations | Geometry | Khan Academy

    Formal Translation Tool Example | Transformations | Geometry | Khan Academy

    1,283 views / 0 likes - added

    Formal translation tool example Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/hs-geo-translations/e/defining-translations?utm_source=YT&utm_medium=Desc&utm_campaign=Geometry Watch the

  • 07:19 Popular Reflecting Segments Over Line | Transformations | Geometry | Khan Academy

    Reflecting Segments Over Line | Transformations | Geometry | Khan Academy

    964 views / 0 likes - added

    Reflecting segments over line Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/hs-geo-reflections/e/reflections-1?utm_source=YT&utm_medium=Desc&utm_campaign=Geometry Watch the next lesso

  • 02:27 Popular Inequality Word Problem: One Variable | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

    Inequality Word Problem: One Variable | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

    1,036 views / 0 likes - added

    This time we're creating a variable to represent a number, and then writing an inequality. We're building on our knowledge. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/applying-math-reasoning-to

  • 08:21 Popular Two-variable Linear Equations And Their Graphs | Algebra I | Khan Academy

    Two-variable Linear Equations And Their Graphs | Algebra I | Khan Academy

    1,988 views / 0 likes - added

    Introduction to 2-variable linear equations and their graphs Watch the next lesson: https://www.khanacademy.org/math/algebra/two-var-linear-equations-and-intro-to-functions/solutions-to-two-var-linear-equations/v/checking-ordered-pair-solutions-to-equatio

  • 05:37 Popular Linear Models Example 2 | Algebra I | Khan Academy

    Linear Models Example 2 | Algebra I | Khan Academy

    1,138 views / 0 likes - added

    Marbles and water in tank Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/two-var-linear-equations-and-intro-to-functions/linear-functions-modeling/e/constructing-and-interpreting-linear-functions?utm_s

  • 03:37 Popular Scatterplots — Harder Example | Math | New SAT | Khan Academy

    Scatterplots — Harder Example | Math | New SAT | Khan Academy

    1,319 views / 0 likes - added

    Watch Sal work through a harder Scatterplots problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-problem-solving-data-analysis/v/sat-math-q5-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the

  • 04:34 Popular Scatterplots — Basic Example | Math | New SAT | Khan Academy

    Scatterplots — Basic Example | Math | New SAT | Khan Academy

    1,603 views / 0 likes - added

    Watch Sal work through a basic Scatterplots problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-problem-solving-data-analysis/v/sat-math-q4-harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the

  • 05:03 Popular Units — Harder Example | Math | New SAT | Khan Academy

    Units — Harder Example | Math | New SAT | Khan Academy

    803 views / 0 likes - added

    Watch Sal work through a harder Units problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-problem-solving-data-analysis/v/sat-math-q7-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the previo

  • 03:00 Popular Units — Basic Example | Math | New SAT | Khan Academy

    Units — Basic Example | Math | New SAT | Khan Academy

    815 views / 0 likes - added

    Watch Sal work through a basic Units problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-problem-solving-data-analysis/v/sat-math-q3-harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the previou

  • 01:45 Popular Percents — Harder Example | Math | New SAT | Khan Academy

    Percents — Harder Example | Math | New SAT | Khan Academy

    749 views / 0 likes - added

    Watch Sal work through a harder Percents problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-problem-solving-data-analysis/v/sat-math-q3-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the pre

  • 03:14 Percents — Basic Example | Math | New SAT | Khan Academy

    Percents — Basic Example | Math | New SAT | Khan Academy

    695 views / 0 likes - added

    Watch Sal work through a basic Percents problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-problem-solving-data-analysis/v/sat-math-q2-harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the prev

  • 08:52 Popular Linear Models Example 1 | Algebra I | Khan Academy

    Linear Models Example 1 | Algebra I | Khan Academy

    1,859 views / 0 likes - added

    Linear model for book reading Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/two-var-linear-equations-and-intro-to-functions/linear-functions-modeling/e/constructing-and-interpreting-linear-functions?u

  • 05:25 Popular Complex Numbers — Harder Example | Math | New SAT | Khan Academy

    Complex Numbers — Harder Example | Math | New SAT | Khan Academy

    1,031 views / 0 likes - added

    Watch Sal work through a harder Complex numbers problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-tips-planning/new-sat-about-sat/v/walk-through-sat-practice-platform?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Mi

  • 02:49 Circle Equations — Harder Example | Math | New SAT | Khan Academy

    Circle Equations — Harder Example | Math | New SAT | Khan Academy

    646 views / 0 likes - added

    Watch Sal work through a harder Circle equations problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-additional-topics-math/v/sat-math-s3-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the pr


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