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Search Results: "Cube Root Of A Non-perfect Cube | Pre-Algebra | Khan Academy"

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  • 04:51 Cube Root Of A Non-perfect Cube | Pre-Algebra | Khan Academy

    Cube Root Of A Non-perfect Cube | Pre-Algebra | Khan Academy

    472 views / 0 likes - added

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

  • 07:18 Origins Of Algebra | Introduction To Algebra | Algebra I | Khan Academy

    Origins Of Algebra | Introduction To Algebra | Algebra I | Khan Academy

    445 views / 0 likes - added

    Where did the word "Algebra" and its underlying ideas come from? Watch the next lesson: https://www.khanacademy.org/math/algebra/introduction-to-algebra/overview_hist_alg/v/abstract-ness?utm_source=YT&utm_medium=Desc&utm_campaign=AlgebraI Algebra I on Kha

  • 07:00 Abstract-ness | Introduction To Algebra | Algebra I | Khan Academy

    Abstract-ness | Introduction To Algebra | Algebra I | Khan Academy

    352 views / 0 likes - added

    The general idea behind the word 'abstract' Watch the next lesson: https://www.khanacademy.org/math/algebra/introduction-to-algebra/overview_hist_alg/v/the-beauty-of-algebra?utm_source=YT&utm_medium=Desc&utm_campaign=AlgebraI Missed the previous lesson? h

  • 09:43 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

    458 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

  • 06:55 What Are Variables, Expressions, And Equations? | Introduction To Algebra | Algebra I | Khan Academy

    What Are Variables, Expressions, And Equations? | Introduction To Algebra | Algebra I | Khan Academy

    363 views / 0 likes - added

    Learn what variables, expressions, and equations really are. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/introduction-to-algebra/feel-for-equations-and-inequalit/e/dependent-and-independent-variable

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

    Linear Models Example 2 | Algebra I | Khan Academy

    320 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

  • 00:40 Fastest robot to solve a Rubik's cube: Sub1 Reloaded breaks Guinness world record

    Fastest robot to solve a Rubik's cube: Sub1 Reloaded breaks Guinness world record

    664 views / 0 likes - added

    MUNICH, Germany -- A robot known as "Sub1 Reloaded" took just 637 thousandths of a second to analyse the Rubik;s cube and make 21 moves, so that each of the cube's sides showed a single color, thus setting the new world record for being the Fastest robot

  • 03:04 How To Create A Function From An Equation (example) | Functions | Algebra I | Khan Academy

    How To Create A Function From An Equation (example) | Functions | Algebra I | Khan Academy

    328 views / 0 likes - added

    Sal find the formula of a function that, given an input value "b," outputs a value "a" that satisfies the equation 4a+7b=-52. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/algebra-functions/functions-

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

    Positive And Negative Slope | Algebra I | Khan Academy

    385 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

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

    Linear Models Example 1 | Algebra I | Khan Academy

    437 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

  • 01:40 How To Match Function Input To Output Given The Formula (example) | Algebra I | Khan Academy

    How To Match Function Input To Output Given The Formula (example) | Algebra I | Khan Academy

    304 views / 0 likes - added

    Sal finds the input value for which f(t)=13, given that f(t)=-2t+5. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/algebra-functions/function-inputs-and-outputs/e/functions_matching_inputs_outputs?utm_

  • 01:07 How To Match Function Input To Output Given The Graph (example) | Algebra I | Khan Academy

    How To Match Function Input To Output Given The Graph (example) | Algebra I | Khan Academy

    357 views / 0 likes - added

    Sal finds the input value for which g(x)=-2 given the graph of g. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/algebra-functions/function-inputs-and-outputs/e/functions_matching_inputs_outputs?utm_so

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

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

    452 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

  • 02:40 Interpreting Linear Formulas Example 1 | Algebra I | Khan Academy

    Interpreting Linear Formulas Example 1 | Algebra I | Khan Academy

    470 views / 0 likes - added

    Interpreting a linear formula Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/two-var-linear-equations-and-intro-to-functions/interpreting_linear_functions/e/interpreting-features-of-linear-functions?ut

  • 08:23 Constructing Linear Functions Example 2 | Algebra I | Khan Academy

    Constructing Linear Functions Example 2 | Algebra I | Khan Academy

    316 views / 0 likes - added

    Linear model for painting 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-linear-functions-word-problems?utm_sour

  • 05:03 Ambiguous Cube | Build Your Own Exploratorium

    Ambiguous Cube | Build Your Own Exploratorium

    78 views / 0 likes - added

    Seeing is believingor is believing seeing? As you close one eye to observe the motion of the Ambiguous Cube, your new perspective makes the cubes movement more ambiguous: is it turning to the right or to the left? Let Staff Educator Lori Lambertson show y

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

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

    334 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

  • 02:35 Interpreting Linear Formulas Example 2 | Algebra I | Khan Academy

    Interpreting Linear Formulas Example 2 | Algebra I | Khan Academy

    347 views / 0 likes - added

    Linear equation for file transfer Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/two-var-linear-equations-and-intro-to-functions/interpreting_linear_functions/e/interpreting-features-of-linear-function

  • 06:35 Constructing Linear Functions Example 1 | Algebra I | Khan Academy

    Constructing Linear Functions Example 1 | Algebra I | Khan Academy

    454 views / 0 likes - added

    Linear model for ice sheet thickness 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-linear-functions-word-proble

  • 03:24 How To Interpret An Expression With Function Notation | Functions | Algebra I | Khan Academy

    How To Interpret An Expression With Function Notation | Functions | Algebra I | Khan Academy

    345 views / 0 likes - added

    Sal interprets the expression M(30)-M(0)=100 where M models an account balance over time. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/algebra-functions/interpreting-function-notation/e/function-nota

  • 03:12 Graphing Linear Functions Example 2 | Algebra I | Khan Academy

    Graphing Linear Functions Example 2 | Algebra I | Khan Academy

    383 views / 0 likes - added

    Graphing equation for filling pool 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/graphing-linear-functions-word-problems?utm

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

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

    357 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

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

    Introduction To Exponents | Pre-Algebra | Khan Academy

    421 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

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

    Scientific Notation Examples | Pre-Algebra | Khan Academy

    373 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

  • 02:36 How To Interpret An Expression With Function Notation | Functions | Algebra I | Khan Academy

    How To Interpret An Expression With Function Notation | Functions | Algebra I | Khan Academy

    453 views / 0 likes - added

    Sal interprets the expression P(5) minor P(9) where P models the number of people at the beach over time. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/algebra-functions/interpreting-function-notation

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

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

    331 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

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

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

    398 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

  • 05:30 Graphing Linear Functions Example 1 | Algebra I | Khan Academy

    Graphing Linear Functions Example 1 | Algebra I | Khan Academy

    363 views / 0 likes - added

    Learn how graph a linear function. This video gives an example of graphing fuel consumption as a function of distance. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/two-var-linear-equations-and-intro-

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

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

    327 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.

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

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

    455 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

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

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

    479 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=

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

    Introduction To Scientific Notation | Pre-Algebra | Khan Academy

    506 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

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

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

    351 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

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

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

    311 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

  • 04:20 Dividing A Whole Number By A Decimal | Decimals | Pre-Algebra | Khan Academy

    Dividing A Whole Number By A Decimal | Decimals | Pre-Algebra | Khan Academy

    494 views / 1 likes - added

    When dividing a whole number by a decimal, you're going to need to change that decimal into a whole number. How? We'll show you. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/decimals-pre-alg/divi

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

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

    503 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

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

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

    379 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

  • 02:27 Checking Ordered Pair Solutions To Equations Example 2 | Algebra I | Khan Academy

    Checking Ordered Pair Solutions To Equations Example 2 | Algebra I | Khan Academy

    357 views / 0 likes - added

    Second example of ordered pair solutions Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/two-var-linear-equations-and-intro-to-functions/solutions-to-two-var-linear-equations/e/plugging_in_values?utm_so

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

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

    502 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/

  • 07:11 Graphing Solutions To Two-variable Linear Equations Example 2 | Algebra I | Khan Academy

    Graphing Solutions To Two-variable Linear Equations Example 2 | Algebra I | Khan Academy

    458 views / 0 likes - added

    Graphing solutions to 2 variable linear equations Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/two-var-linear-equations-and-intro-to-functions/solutions-to-two-var-linear-equations/e/graphing-solutio

  • 07:08 Early Train Word Problem | Linear Equations | Algebra I | Khan Academy

    Early Train Word Problem | Linear Equations | Algebra I | Khan Academy

    475 views / 0 likes - added

    Fun word problem that is almost a brain teaser. Watch the next lesson: https://www.khanacademy.org/math/algebra/solving-linear-equations-and-inequalities/More-equation-practice/v/patterns-in-sequences-1?utm_source=YT&utm_medium=Desc&utm_campaign=AlgebraI

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

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

    467 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

  • 02:35 Checking Ordered Pair Solutions To Equations Example 1 | Algebra I | Khan Academy

    Checking Ordered Pair Solutions To Equations Example 1 | Algebra I | Khan Academy

    448 views / 0 likes - added

    Checking ordered pair solutions to equations Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/two-var-linear-equations-and-intro-to-functions/solutions-to-two-var-linear-equations/e/plugging_in_values?ut

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

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

    417 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

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

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

    412 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

  • 05:09 Converting From Slope-intercept To Standard Form | Algebra I | Khan Academy

    Converting From Slope-intercept To Standard Form | Algebra I | Khan Academy

    490 views / 0 likes - added

    Converting from slope-intercept to standard form Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/two-var-linear-equations-and-intro-to-functions/standard-form/e/converting_between_slope_intercept_and_st

  • 03:54 Magically Solve the Rubik's Cube

    Magically Solve the Rubik's Cube

    72 views / 0 likes - added

    You've seen magicians on Americas Got Talent performing crazy magic tricks with the Rubik's Cube. Now learn one of the closely guarded secrets on how to magically solve the cube in less than a second.

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

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

    414 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

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

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

    433 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

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

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

    458 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

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

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

    471 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

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

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

    452 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

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

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

    374 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

  • 02:04 Ratio Word Problem: Boys To Girls | Pre-Algebra | Khan Academy

    Ratio Word Problem: Boys To Girls | Pre-Algebra | Khan Academy

    369 views / 0 likes - added

    In this example, we are given a ratio and then asked to apply that ratio to solve a problem. No problem! Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/rates-and-ratios/ratios_and_proportions/e/rat

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

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

    330 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

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

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

    448 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

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

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

    443 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

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

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

    441 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

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

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

    365 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

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

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

    399 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?

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

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

    349 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

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

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

    270 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

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

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

    529 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

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

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

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

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

    434 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

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

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

    427 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

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

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

    381 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/

  • 01:52 What's inside of a Rubik's Cube?

    What's inside of a Rubik's Cube?

    672 views / 1 likes - added

    Ever wonder what a Rubik's Cube looks like on the inside? In this video we'll take an in-depth look to see how the pieces fit together. Get your Rubik's cube here: https://goo.gl/BEo1W5 Made with Blender 2.73 Music: "Plain Truth" by Gunar Olsen (youtube a

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

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

    508 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

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

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

    336 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/

  • 09:29 Dividing Decimals With Hundredths Example 3 | Decimals | Pre-Algebra | Khan Academy

    Dividing Decimals With Hundredths Example 3 | Decimals | Pre-Algebra | Khan Academy

    452 views / 0 likes - added

    The old saying is "practice makes perfect." Let's keep practicing dividing decimals and making our divisor a whole number. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/decimals-pre-alg/dividing-d

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

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

    416 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

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

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

    450 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

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

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

    443 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

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

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

    372 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

  • 01:49 Sugar Cube Magic - Sick Science! #216

    Sugar Cube Magic - Sick Science! #216

    678 views / 2 likes - added

    See the full experiment here: http://www.stevespanglerscience.com/lab/experiments/sugar-cube-magic Check out cool science kits and toys: http://www.stevespanglerscience.com/ You’ve let your friend in on a secret: you bought some magical Imperial Sugar or

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

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

    276 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

  • 24:12 How to Solve a Rubik's Cube | WIRED

    How to Solve a Rubik's Cube | WIRED

    386 views / 1 likes - added

    WIRED's Robbie Gonzalez learned to solve a Rubik's cube from Tyson Mao, one of the co-founders of the World Cube Association. In two weeks, Robbie got his solve time down from 45 minutes with Tyson, to 20 minutes on his own, to under a minute on average.

  • 03:53 Plotting Basic Fractions On The Number Line | Fractions | Pre-Algebra | Khan Academy

    Plotting Basic Fractions On The Number Line | Fractions | Pre-Algebra | Khan Academy

    525 views / 0 likes - added

    Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/fractions-pre-alg/understanding-fractions-pre-alg/e/fractions_on_the_number_line_1?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Watch the nex

  • 09:50 Adding And Subtracting Fractions | Fractions | Pre-Algebra | Khan Academy

    Adding And Subtracting Fractions | Fractions | Pre-Algebra | Khan Academy

    617 views / 1 likes - added

    How to add and subtract fractions. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/fractions-pre-alg/fractions-unlike-denom-pre-alg/e/adding_fractions?utm_source=YT&utm_medium=Desc&utm_campaign=PreA

  • 04:33 Multiplying Negative And Positive Fractions | Fractions | Pre-Algebra | Khan Academy

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

    463 views / 0 likes - added

    See examples of multiplying and dividing fractions with negative numbers. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/fractions-pre-alg/multiplying-fractions-pre-alg/e/multiplying_fractions?utm_

  • 02:39 Comparing Decimals: Ordering From Least To Greatest | Decimals | Pre-Algebra | Khan Academy

    Comparing Decimals: Ordering From Least To Greatest | Decimals | Pre-Algebra | Khan Academy

    460 views / 0 likes - added

    This is a fun example where we reorder decimals from smallest to largest. You're looking for the place value that is the most significant, and then working backwards. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/

  • 06:29 Multiplying Decimals: Place Value And Reordering | Decimals | Pre-Algebra | Khan Academy

    Multiplying Decimals: Place Value And Reordering | Decimals | Pre-Algebra | Khan Academy

    495 views / 0 likes - added

    We want you to develop an intuition about how to work with decimals. Understanding how you can rewrite decimals by considering the place value will help you multiply! Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/

  • 02:34 Converting From Standard Form To Slope-intercept Form | Algebra I | Khan Academy

    Converting From Standard Form To Slope-intercept Form | Algebra I | Khan Academy

    559 views / 0 likes - added

    Standard form to slope-intercept form Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/two-var-linear-equations-and-intro-to-functions/standard-form/e/slope-from-an-equation-in-standard-form?utm_source=Y

  • 03:50 Introduction To Multiplying Decimals | Decimals | Pre-Algebra | Khan Academy

    Introduction To Multiplying Decimals | Decimals | Pre-Algebra | Khan Academy

    483 views / 0 likes - added

    Multiplying decimals can be confusing because there's always the question as to where the decimals goes in the answer. We're about to show you so you'll never have to question it again! Practice this lesson yourself on KhanAcademy.org right now: https://w

  • 05:42 Understanding Division Of Fractions | Fractions | Pre-Algebra | Khan Academy

    Understanding Division Of Fractions | Fractions | Pre-Algebra | Khan Academy

    469 views / 0 likes - added

    Using a number line, we'll explain the rule of "invert and multiply" when dividing two fractions. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/fractions-pre-alg/div-fractions-fractions-pre-alg/e/

  • 03:08 Multiplying Unit Fractions And Whole Numbers | Fractions | Pre-Algebra | Khan Academy

    Multiplying Unit Fractions And Whole Numbers | Fractions | Pre-Algebra | Khan Academy

    508 views / 1 likes - added

    Don't let multiplying whole numbers and fractions get you down. We got this. This explanation will help you become a pro. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/fractions-pre-alg/multiplyin

  • 09:23 Converting Fractions To Decimals | Decimals | Pre-Algebra | Khan Academy

    Converting Fractions To Decimals | Decimals | Pre-Algebra | Khan Academy

    525 views / 1 likes - added

    How to express a fraction as a decimal Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/decimals-pre-alg/decimal-to-fraction-pre-alg/e/converting_fractions_to_decimals?utm_source=YT&utm_medium=Desc&u

  • 05:51 Equivalent Fractions | Fractions | Pre-Algebra | Khan Academy

    Equivalent Fractions | Fractions | Pre-Algebra | Khan Academy

    464 views / 0 likes - added

    Introduces the concept of equivalent fractions Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/fractions-pre-alg/equivalent-fractions-pre-alg/e/equivalent_fractions?utm_source=YT&utm_medium=Desc&utm

  • 09:15 Mixed Numbers And Improper Fractions | Fractions | Pre-Algebra | Khan Academy

    Mixed Numbers And Improper Fractions | Fractions | Pre-Algebra | Khan Academy

    540 views / 1 likes - added

    Converting mixed numbers to improper fractions and improper fractions to mixed numbers Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/fractions-pre-alg/mixed-numbers-pre-alg/e/converting_mixed_numb

  • 14:13 Introduction To Ratios | Ratios, Proportions, Units, And Rates | Pre-Algebra | Khan Academy

    Introduction To Ratios | Ratios, Proportions, Units, And Rates | Pre-Algebra | Khan Academy

    542 views / 0 likes - added

    What a ratio is. Simple ratio problems. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/rates-and-ratios/ratios_and_proportions/e/ratio_word_problems?utm_source=YT&utm_medium=Desc&utm_campaign=PreAl

  • 01:11 Subtracting Decimals: Example 1 | Decimals | Pre-Algebra | Khan Academy

    Subtracting Decimals: Example 1 | Decimals | Pre-Algebra | Khan Academy

    422 views / 0 likes - added

    Subtracting decimals...up to the hundredths placement. Line up those decimals before you start. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/decimals-pre-alg/adding-decimals-pre-alg/e/subtracting

  • 02:35 Dividing Whole Numbers And Fractions: Studying | Fractions | Pre-Algebra | Khan Academy

    Dividing Whole Numbers And Fractions: Studying | Fractions | Pre-Algebra | Khan Academy

    589 views / 0 likes - added

    Solve a word problem by dividing a fraction by a whole number. The example used in this video is 1/5 ÷ 4. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/fractions-pre-alg/dividing-fractions-pre-alg

  • 00:51 Rubik's Cube World Record - 4.22 seconds

    Rubik's Cube World Record - 4.22 seconds

    435 views / 0 likes - added

    !!! Round 1, Cube For Cambodia 2018 Cube: Angstrom GAN Air SM Sponsored by Gan! Gan: http://www.gancube.com/ Speedcubing tutorials: https://www.cubeskills.com/ Facebook: https://www.facebook.com/fzemdegs Twitter: https://twitter.com/Fazrulz Instagram: htt

  • 14:58 Why It's Almost Impossible to Solve a Rubik's Cube in Under 3 Seconds | WIRED

    Why It's Almost Impossible to Solve a Rubik's Cube in Under 3 Seconds | WIRED

    263 views / 2 likes - added

    The current world record for solving a Rubik's cube is 3.47 seconds. Could it be faster? WIRED's Robbie Gonzalez explores the mind-boggling math and finger-twisting world of speed cubing. Read more on this story from Robbie on WIRED.com: https://www.wired

  • 04:24 Example Of Subtracting Fractions With Unlike Denominators | Fractions | Pre-Algebra | Khan Academy

    Example Of Subtracting Fractions With Unlike Denominators | Fractions | Pre-Algebra | Khan Academy

    512 views / 0 likes - added

    If you conquered adding fractions with different denominators, then subtracting fractions will be a snap. Don't worry...we'll take it slow and explain every step. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math

  • 09:45 Simplifying Radicals | Exponents, Radicals, And Scientific Notation | Pre-Algebra | Khan Academy

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

    475 views / 1 likes - added

    Using exponent rules to simplify radicals or square roots 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

  • 06:14 What's inside a Fidget Cube?

    What's inside a Fidget Cube?

    494 views / 0 likes - added

    We CUT OPEN a Fidget Cube! VERY interesting to see inside! Buy this Fidget Cube here: http://amzn.to/2oqMAyC Anxiety, Stress, restlessness, OCD, ADHD there are SO MANY people that could benefit from using this Fidget Cube. Even kids and toddlers have been

  • 02:32 Dividing Whole Numbers And Fractions: Potpourri | Fractions | Pre-Algebra | Khan Academy

    Dividing Whole Numbers And Fractions: Potpourri | Fractions | Pre-Algebra | Khan Academy

    499 views / 0 likes - added

    Solve a word problem by dividing a whole number by a fraction. The example used in this video is 4 ÷ 1/5. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/fractions-pre-alg/dividing-fractions-pre-alg

  • 07:14 Negative Exponents | Exponents, Radicals, And Scientific Notation | Pre-Algebra | Khan Academy

    Negative Exponents | Exponents, Radicals, And Scientific Notation | Pre-Algebra | Khan Academy

    463 views / 0 likes - added

    How does a negative exponent affect our answer? Before you assume that the answer must be negative, think again! Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/exponents-radicals/negative-exponents

  • 04:25 Multiplying Challenging Decimals | Decimals | Pre-Algebra | Khan Academy

    Multiplying Challenging Decimals | Decimals | Pre-Algebra | Khan Academy

    360 views / 0 likes - added

    Sometimes multiplying really small decimals (with all those zeros!) can be a little intimidating. Watch as we show you a handy trick to simplify these problems and solve them. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanaca

  • 02:36 Converting Decimals To Percents | Decimals | Pre-Algebra | Khan Academy

    Converting Decimals To Percents | Decimals | Pre-Algebra | Khan Academy

    381 views / 0 likes - added

    Need to convert a decimal to a percent? Ok, we'll just use our fraction friends to get us there. Watch and be amazed. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/decimals-pre-alg/percent-intro-p

  • 03:45 Visualizing Equivalent Fractions | Fractions | Pre-Algebra | Khan Academy

    Visualizing Equivalent Fractions | Fractions | Pre-Algebra | Khan Academy

    477 views / 0 likes - added

    To understand equivalent fractions it helps to "see" the fractions using something like a grid with shaded and unshaded sections representing the fraction. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-al

  • 04:37 Popular Group Theory 101: How To Play A Rubik’s Cube Like A Piano - Michael Staff

    Group Theory 101: How To Play A Rubik’s Cube Like A Piano - Michael Staff

    727 views / 0 likes - added

    View full lesson: http://ed.ted.com/lessons/group-theory-101-how-to-play-a-rubik-s-cube-like-a-piano-michael-staff Mathematics explains the workings of the universe, from particle physics to engineering and economics. Math is even closely related to music

  • 02:01 Ice Cube Experiment

    Ice Cube Experiment

    393 views / 0 likes - added

    Ice Cube Experiment. What happens? Ice floating over vegetable oil but it decreases in baby oil. While the ice melts, water is reduced in both liquids. Implemented gas grows and melt water falls. Then the boundary between the melted water and oil shows a

  • 07:23 Ways To Cut A Cube

    Ways To Cut A Cube

    508 views / 0 likes - added

    Ways to cut a cube

  • 09:36 Negative Numbers Introduction | Negative Numbers And Absolute Value | Pre-Algebra | Khan Academy

    Negative Numbers Introduction | Negative Numbers And Absolute Value | Pre-Algebra | Khan Academy

    431 views / 0 likes - added

    Mysterious negative numbers! What ARE they? They are numbers less than zero. If you understand the nature of below zero temperatures, you can understand negative numbers. We'll help. Practice this lesson yourself on KhanAcademy.org right now: https://www.

  • 04:33 How does a 2x2 Rubik's Cube work?

    How does a 2x2 Rubik's Cube work?

    153 views / 0 likes - added

    The 2x2 Rubik's Cube has an interesting mechanism on the inside. Let's see how it works!Get your 2x2 Rubik's Cube here: https://amzn.to/2ULwsqXOther puzzles mentioned in this video:3x3 Rubik's Cube: https://amzn.to/2OeNWtFPyramid: https://amzn.to/2ULtyTkM

  • 03:35 Dimensions Of Cube From Volume

    Dimensions Of Cube From Volume

    536 views / 0 likes - added

    Dimensions of cube from volume

  • 08:01 Introduction To Cube Roots

    Introduction To Cube Roots

    519 views / 0 likes - added

    Introduction to cube roots

    Featured
  • 22:47 Origami Rubik's Cube - No Glue - From 6 Squares of Paper

    Origami Rubik's Cube - No Glue - From 6 Squares of Paper

    157 views / 0 likes - added

    [Intermediate] How to fold a solved Rubik's Cube from just 6 squares of paper and how to turn it into a scrambled Rubik's cube by attaching 54 little squares to the model using just origami locks (no glue). This model was inspired by Jo Nakashima's 3X3 Ru

  • 17:48 Origami 2X2 Rubik's Cube

    Origami 2X2 Rubik's Cube

    278 views / 0 likes - added

    How to fold a 2 X 2 Rubik's Cube that moves in all directions. No tape or glue and no magnets! Requires six squares of paper each cut in half to form twelve 2X1 rectangles which are folded into identical units and assembled into 4 identical larger units w

  • 01:09 Popular Self Solving Rubik's Cube

    Self Solving Rubik's Cube

    877 views / 3 likes - added

    Self Solving Rubik's Cube ▶︎ https://media.dmm-make.com/item/4462/

    Featured
  • 04:00 Finding Factors And Multiples | Factors And Multiples | Pre-Algebra | Khan Academy

    Finding Factors And Multiples | Factors And Multiples | Pre-Algebra | Khan Academy

    502 views / 0 likes - added

    To find the factors of a number means to find all the whole numbers that the number in question is divisible by. Can you help us find the factors in this example? Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math

  • 01:59 Rubik's Cube World Record - 4.73 seconds - Feliks Zemdegs

    Rubik's Cube World Record - 4.73 seconds - Feliks Zemdegs

    652 views / 0 likes - added

    Can't believe it! Cube: Magnetised GAN 356 Air [Prototype] Facebook: https://www.facebook.com/fzemdegs Twitter: https://twitter.com/Fazrulz Instagram: https://www.instagram.com/fzemdegs/ Sponsored by Speedcube.com.au and Gan! Speedcube.com.au: https://www

  • 12:47 Epic Rubik's Cube Cake that TWISTS | How To Cook That Ann Reardon

    Epic Rubik's Cube Cake that TWISTS | How To Cook That Ann Reardon

    202 views / 0 likes - added

    A new twist on the Rubik's Cube Cake ... it SPINS just like a real rubik's cube.Thanks for your support on Patreon: https://www.patreon.com/h2ctSUBSCRIBE on youtube: http://bit.ly/H2CThat Recipe: https://www.howtocookthat.net/public_html/rubiks-cube-cake/

  • 03:40 Popular World's Fastest Rubik's Cube Solving Robot

    World's Fastest Rubik's Cube Solving Robot

    1,086 views / 8 likes - added

    My Friend Paul and I show off our Rubik's cube solving robot.

    Featured
  • 04:18 Finding Cube Roots

    Finding Cube Roots

    300 views / 0 likes - added

    u16_l1_t2_we2 Finding Cube Roots More free lessons at: http://www.khanacademy.org/video?v=DKh16Th8x6o Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 05:25 Simplifying Cube Roots

    Simplifying Cube Roots

    286 views / 0 likes - added

    u16_l1_t2_we3 Simplifying Cube Roots More free lessons at: http://www.khanacademy.org/video?v=c-wtvEdEoVs Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 02:11 Sesame Street: Elmo and Ice Cube are Astounded

    Sesame Street: Elmo and Ice Cube are Astounded

    300 views / 0 likes - added

    Astouding is when something is so amazing, it catches you by surprise. For example, making a penny disappear, pulling a Dinosaur out of a hat, and turning Ice Cube into an Ice Cube are all astounding magic tricks you can watch in this video. Subscribe to

  • 09:54 Origami Mexican Jumping Bean / Cube Dude

    Origami Mexican Jumping Bean / Cube Dude

    123 views / 0 likes - added

    [Rather Simple] How to fold an origami cube dude with eyes and mouth that springs when you release its pleated tail. If you want it to look more ovular like a Mexican jumping bean then just don't crease the sides of the cube as you inflate it. To make it

  • 14:26 New Rubik's Cube World Record! 4.74 seconds (interview and breakdown)

    New Rubik's Cube World Record! 4.74 seconds (interview and breakdown)

    440 views / 1 likes - added

    New Rubik’s Cube World Record! 4.74 seconds. I have a chat with Mats Valk about his record-breaking solve. Plus a break-down of how he actually did it. UPDATE: The Valk 3 cube is back in stock on Maths Gear after the original stock sold-out within an hour

  • 11:42 Popular How to Solve a 3x3 Rubik's Cube In No Time | The Easiest Tutorial

    How to Solve a 3x3 Rubik's Cube In No Time | The Easiest Tutorial

    1,256 views / 0 likes - added

    If you look up the word frustration in the dictionary, youll probably see a picture of a Rubiks Cube. It takes some bright minds only 5 seconds to solve, yet others spend years trying to put it together, eventually giving up. But the truth is that anyone

  • 02:26 Math Puts a New Twist on Solving a Rubik's Cube with the Fewest Moves

    Math Puts a New Twist on Solving a Rubik's Cube with the Fewest Moves

    435 views / 1 likes - added

    For this puzzle with over 43 quintillion permutations, author Ian Scheffler explains how players have found the most efficient route to resolving a Rubik’s cube.

  • 11:49 Rubiks Cube Explosion | JUNK DRAWER MAGIC

    Rubiks Cube Explosion | JUNK DRAWER MAGIC

    273 views / 1 likes - added

    Today's Trick- Make a Rubik's Cube explode into Skittles!Create awesome magic tricks out of stuff in your junk drawer! Learn how to put a skewer through your arm, levitate fruit, eat spoons and more in the ultimate magic show.

  • 05:44 How to Solve a Rubik's Cube | JUNK DRAWER MAGIC

    How to Solve a Rubik's Cube | JUNK DRAWER MAGIC

    447 views / 1 likes - added

    Today's Trick- How to solve a Rubik's cube... with magic! Create awesome magic tricks out of stuff in your junk drawer! Learn how to put a skewer through your arm, levitate fruit, eat spoons and more in the ultimate magic show.

  • 04:14 Making a cube and a heart from paper gears

    Making a cube and a heart from paper gears

    483 views / 0 likes - added

    Haruki Nakamura makes mechanical paper karakuri-style animals and other items. In this video we see a cube made from 12 interlocking paper gears. Note: there is no sound in this silent video. 歯車の立方体の型紙のPDFデータのダウンロード販売を始めました。中級者から上級者向けです。 I do the download

  • 05:03 How To Make "PAPER 3D CUBE" - Origami Arts

    How To Make "PAPER 3D CUBE" - Origami Arts

    503 views / 2 likes - added

    How To Make "PAPER 3D CUBE" - Origami Arts Thanks For Watching........... Subscribe for more Origami Arts : https://www.youtube.com/OrigamiArts Music: LFZ - Popsicle [NCS Release]: https://youtu.be/K8DUjObr_tU [LFZ] • https://soundcloud.com/lfzmusic • htt

  • 23:36 ORIGAMI RUBIK'S CUBE (Jo Nakashima) - no glue! - Static version

    ORIGAMI RUBIK'S CUBE (Jo Nakashima) - no glue! - Static version

    140 views / 0 likes - added

    SEE ALSO THE FUNCTIONAL MAGNETIC VERSION: https://www.youtube.com/watch?v=g34baz69zXYHow to make an origami Rubik's CubeDesigned by Jo Nakashima (07/2019)Support my channel! https://www.youtube.com/user/jonakashima/joinhttps://www.patreon.com/jonakashima

  • 04:46 Rubik Cube In 2 Dimensions

    Rubik Cube In 2 Dimensions

    488 views / 0 likes - added

    The Rubik (or Rubik's) Cube is a popular toy. Deane shows how to make a 2 Dimensional version of the famous puzzle. You will need to start with a small square plastic or cardboard box. SUBSCRIBE NOW http://www.youtube.com/subscription_center?add_user=Curi

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    Corner cube mirrors & Retroreflectors // Homemade Science with Bruce Yeany

    459 views / 0 likes - added

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  • 01:52 How to Solve a Rubik's Cube | Full-Time Kid | PBS Parents

    How to Solve a Rubik's Cube | Full-Time Kid | PBS Parents

    595 views / 1 likes - added

    Watch Mya [unofficially] break the world record for solving a Rubik's cube, blind-folded! You won't REALLY learn how to solve the puzzle , but you'll learn a neat trick to show your friends and family. Executive Producer: Danielle Steinberg Meet Mya! She'

  • 05:00 Learn to Solve the Rubik's Cube || Learn Quick

    Learn to Solve the Rubik's Cube || Learn Quick

    608 views / 1 likes - added

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    Building a soft robotic cube

    418 views / 0 likes - added

    Researchers from MIT’s Computer Science and Artificial Intelligence Laboratory (CSAIL) have developed a soft robotic cube that uses a series of spring-loaded metal tongues to jump, bounce, and roll. In this video, we watch the process of building a

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  • 06:33 How To Draw A Rubik's Cube

    How To Draw A Rubik's Cube

    433 views / 0 likes - added

    Learn how to draw a Rubik's Cube! Become an Art Club member https://www.artforkidshub.com/join-art-club/ Learn more about the art supplies we love to use https://www.artforkidshub.com/art-supplies/ Learn more about us https://www.artforkidshub.com/about/

  • 02:20 Rubik's Cube made from real ICE !! (fully functional puzzle by Tony Fisher)

    Rubik's Cube made from real ICE !! (fully functional puzzle by Tony Fisher)

    382 views / 0 likes - added

    This video is available for license here- https://www.newsflare.com/video/173658/entertainment-arts/man-creates-functional-rubiks-cube-out-of-ice How I made it - https://www.youtube.com/watch?v=7wnS-_lq5XE RECOMMENDED PLACE TO BUY PUZZLES HKNowStore ► htt

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    DIY GIANT JELLY CUBE SLIME! How To Make Sponge Slime

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    Mighty Magiswords | Fortress of Solid Cube | Cartoon Network

    287 views / 0 likes - added

    The warriors use a super shooting star magisword to fight ice gargoyles in this clip from the episode, "Share and Share Dislike" CN GAMES: http://bit.ly/CNGames SUBSCRIBE: http://bit.ly/109Y6wq WATCH MORE: http://bit.ly/1RBYuNi About Mighty Magiswords: Pr

  • 01:49 How To Find Two Function Inputs With The Same Output Given Graph (example) | Khan Academy

    How To Find Two Function Inputs With The Same Output Given Graph (example) | Khan Academy

    395 views / 0 likes - added

    Sal finds the input value other than -5 for which f(x)=f(-5), given the graph of f. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/algebra-functions/function-inputs-and-outputs/e/functions_matching_inp

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    Floating Cube - 3D Trick Art on Paper

    1,112 views / 3 likes - added

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    How To Make A Paper INFINITY CUBE!

    385 views / 2 likes - added

    Learn How To Make An Infinity Cube Out Of Paper. SUBSCRIBE: https://www.youtube.com/channel/UC99gvHiLEF9rqkkQi6A6D5A?sub_confirmation=1 Music: Tobu - Melomania https://youtu.be/ovvfqeouFQI Tobu: http://tobumusic.com http://www.youtube.com/tobuofficial htt

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    Meet the Inventor of the Rubik’s Cube

    476 views / 2 likes - added

    Since the 1980s, the Rubik’s Cube has captivated the minds of puzzle solvers around the globe. But how did one of the world’s most addictive and prolific puzzles come to be? It all began in the beautiful city of Budapest, in the beautiful mind of Ernő Rub

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  • 04:42 Rubik's Cube Cake Tasty

    Rubik's Cube Cake Tasty

    176 views / 0 likes - added

    Can you fool your friends with this fun rubik's cube cake? If you want more of Tasty, check out our merch here: https://amzn.to/2GJ2xvvSubscribe to Tasty: https://bzfd.it/2ri82Z1About Tasty:The official YouTube channel of all things Tasty, the world's lar

  • 03:06 Self-Solving Rubik's Cube Robot!

    Self-Solving Rubik's Cube Robot!

    258 views / 0 likes - added

    This self-solving Rubik's Cube robot was one of the coolest things we saw at Maker Faire 2019. Its creator Takashi Kaburagi shows us how it works and we take a peek beneath the tiles to see its robotic core. Watch it come alive and perform a solve! Find m

  • 02:19 How To Determine The Domain Of A Modeling Function (example With A Function) | Khan Academy

    How To Determine The Domain Of A Modeling Function (example With A Function) | Khan Academy

    428 views / 0 likes - added

    Sal determines the domain of a function that models the height of a plant over time. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/algebra-functions/determining-the-domain-of-a-function/e/interpreting

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

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

    248 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

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

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

    294 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

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

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

    374 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

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

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

    448 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

  • 02:38 Graphing Linear Equations — Harder Example | Math | New SAT | Khan Academy

    Graphing Linear Equations — Harder Example | Math | New SAT | Khan Academy

    420 views / 0 likes - added

    Watch Sal work through a harder Graphing linear equations problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-heart-of-algebra/v/sat-math-h3-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the

  • 05:30 "Solving" a Rubik’s Cube in Seconds | JUNK DRAWER MAGIC

    "Solving" a Rubik’s Cube in Seconds | JUNK DRAWER MAGIC

    668 views / 2 likes - added

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  • 02:55 Linear Equation Word Problems — Basic Example | Math | New SAT | Khan Academy

    Linear Equation Word Problems — Basic Example | Math | New SAT | Khan Academy

    591 views / 0 likes - added

    Watch Sal work through a basic Linear equations word problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-heart-of-algebra/v/sat-math-h2-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the prev

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

    pH and pKa relationship for buffers | Chemistry | Khan Academy

    493 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/

  • 38:29 Khan Academy Live: SAT Reading Class

    Khan Academy Live: SAT Reading Class

    423 views / 0 likes - added

    Need help with SAT reading? Join Eric, one of Khan Academy’s SAT experts, for an SAT reading class. During class, Eric explains a proactive approach to answering reading questions and walks through some of the most common types of questions. This is an ed

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

    Calculating internal energy and work example | Chemistry | Khan Academy

    303 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-

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

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

    286 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

  • 05:00 OpenAIs Robot Hand Won't Stop Rotating The Rubiks Cube

    OpenAIs Robot Hand Won't Stop Rotating The Rubiks Cube

    113 views / 0 likes - added

    Check out Weights & Biases here and sign up for a free demo: https://www.wandb.com/papersThe mentioned #OpenAI blog post on the gradients and its notebook are available here:Post: https://www.wandb.com/articles/exploring-gradientsNotebook: https://colab.r

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

    Meet the Comma | Punctuation | Grammar | Khan Academy

    335 views / 0 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/

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

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

    525 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

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

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

    258 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

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

    Ways to get a buffer solution | Chemistry | Khan Academy

    282 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

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

    Appositives | Punctuation | Grammar | Khan Academy

    311 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

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

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

    270 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

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

    More uses for commas | Punctuation | Grammar | Khan Academy

    282 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

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

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

    288 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

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

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

    334 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

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

    Commas in dialogue | Punctuation | Grammar | Khan Academy

    399 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

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

    Salutations and valedictions | Punctuation | Grammar | Khan Academy

    273 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

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

    Punctuating a list | Punctuation | Grammar | Khan Academy

    321 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=

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

    Dependent and independent clauses | Syntax | Khan Academy

    489 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

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

    Three ways to end a sentence | Punctuation | Khan Academy

    284 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

  • 1:02:11 Khan Academy Live: SAT Writing Class

    Khan Academy Live: SAT Writing Class

    302 views / 0 likes - added

    Need help with SAT writing? Join Eric, one of Khan Academy’s SAT experts, for an SAT writing class. Eric walks through key grammar concepts like subject-verb agreement and sentence punctuation. This is an edited version of our livestream from March 9, 201

  • 04:19 Dangling modifiers | Syntax | Khan Academy

    Dangling modifiers | Syntax | Khan Academy

    317 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

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

    Three types of sentence | Syntax | Khan Academy

    377 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

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

    Subject-verb agreement | Syntax | Khan Academy

    368 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

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

    Run-ons and comma splices | Syntax | Khan Academy

    301 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

  • 03:48 Recognizing fragments | Syntax | Khan Academy

    Recognizing fragments | Syntax | Khan Academy

    266 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

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

    Introduction to contractions | The Apostrophe | Punctuation | Khan Academy

    436 views / 0 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/

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

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

    276 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

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

    Subjects and predicates | Syntax | Khan Academy

    318 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

  • 05:12 Ellipses | Punctuation | Khan Academy

    Ellipses | Punctuation | Khan Academy

    304 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

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

    Compound-complex sentences | Syntax | Khan Academy

    514 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

    314 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

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

    Simple and compound sentences | Syntax | Khan Academy

    347 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

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

    Apostrophes and plurals | The Apostrophe | Punctuation | Khan Academy

    253 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

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

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

    284 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

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

    Pronoun-antecedent agreement | Syntax | Khan Academy

    348 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

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

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

    421 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

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

    Commas and introductory elements | Punctuation | Grammar | Khan Academy

    281 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

  • 51:15 Khan Academy Live: SAT Writing

    Khan Academy Live: SAT Writing

    329 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

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

    Phrases and clauses | Syntax | Khan Academy

    444 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

  • 05:07 Complex sentences | Syntax | Khan Academy

    Complex sentences | Syntax | Khan Academy

    275 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

  • 05:05 Parallel structure | Syntax | Khan Academy

    Parallel structure | Syntax | Khan Academy

    384 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

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

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

    308 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

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

    How to use italics and underlines | Punctuation | Khan Academy

    286 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

  • 01:16 Solving Quadratic Equations — Basic Example | Math | New SAT | Khan Academy

    Solving Quadratic Equations — Basic Example | Math | New SAT | Khan Academy

    394 views / 0 likes - added

    Watch Sal work through a basic Solving quadratic equations problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p5-harder?utm_source=YT&utm_medium=Desc&utm_campaign=New

  • 02:50 Exclamations | Syntax | Khan Academy

    Exclamations | Syntax | Khan Academy

    260 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

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

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

    336 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

  • 04:44 Relative clauses | Syntax | Khan Academy

    Relative clauses | Syntax | Khan Academy

    402 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

  • 06:20 Dashes | Punctuation | Khan Academy

    Dashes | Punctuation | Khan Academy

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    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-

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

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

    371 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

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    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:


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