Search Results: "How To Interpret An Expression With Function Notation | Functions | Algebra I | Khan Academy"
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03:24 Popular
How To Interpret An Expression With Function Notation | Functions | Algebra I | Khan Academy
1,412 views / 0 likes - addedSal 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
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02:36 Popular
How To Interpret An Expression With Function Notation | Functions | Algebra I | Khan Academy
1,951 views / 0 likes - addedSal 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
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03:04 Popular
How To Create A Function From An Equation (example) | Functions | Algebra I | Khan Academy
898 views / 0 likes - addedSal 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-
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01:07 Popular
How To Match Function Input To Output Given The Graph (example) | Algebra I | Khan Academy
1,069 views / 0 likes - addedSal 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
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01:40 Popular
How To Match Function Input To Output Given The Formula (example) | Algebra I | Khan Academy
1,001 views / 0 likes - addedSal 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_
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12:49 Popular
Scientific Notation Examples | Pre-Algebra | Khan Academy
1,149 views / 0 likes - addedMore 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
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05:30 Popular
Graphing Linear Functions Example 1 | Algebra I | Khan Academy
1,781 views / 0 likes - addedLearn 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-
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20:48 Popular
Introduction To Scientific Notation | Pre-Algebra | Khan Academy
1,867 views / 0 likes - addedIntroduction 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
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03:12 Popular
Graphing Linear Functions Example 2 | Algebra I | Khan Academy
1,858 views / 0 likes - addedGraphing 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
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06:35 Popular
Constructing Linear Functions Example 1 | Algebra I | Khan Academy
1,690 views / 0 likes - addedLinear 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
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02:38 Popular
Function Notation — Harder Example | Math | New SAT | Khan Academy
1,188 views / 0 likes - addedWatch Sal work through a harder Function notation 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-q1-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Misse
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02:26 Popular
Function Notation — Basic Example | Math | New SAT | Khan Academy
1,112 views / 0 likes - addedWatch Sal work through a basic Function notation problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p13-harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Misse
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02:19 Popular
How To Determine The Domain Of A Modeling Function (example With A Function) | Khan Academy
1,251 views / 0 likes - addedSal 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
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03:09 Popular
Simplifying Square Roots | Exponents, Radicals, And Scientific Notation | Pre-Algebra | Khan Academy
1,755 views / 0 likes - addedPractice 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
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09:43 Popular
Exponent Rules Part 1 | Exponents, Radicals, And Scientific Notation | Pre-Algebra | Khan Academy
1,568 views / 0 likes - addedIntroduction 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
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07:18 Popular
Origins Of Algebra | Introduction To Algebra | Algebra I | Khan Academy
1,117 views / 0 likes - addedWhere 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
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01:49 Popular
How To Find Two Function Inputs With The Same Output Given Graph (example) | Khan Academy
1,765 views / 0 likes - addedSal 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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09:45 Popular
Simplifying Radicals | Exponents, Radicals, And Scientific Notation | Pre-Algebra | Khan Academy
1,493 views / 1 likes - addedUsing 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
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07:14 Popular
Negative Exponents | Exponents, Radicals, And Scientific Notation | Pre-Algebra | Khan Academy
1,540 views / 0 likes - addedHow 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
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07:00
Abstract-ness | Introduction To Algebra | Algebra I | Khan Academy
631 views / 0 likes - addedThe 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
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06:55 Popular
What Are Variables, Expressions, And Equations? | Introduction To Algebra | Algebra I | Khan Academy
1,689 views / 0 likes - addedLearn 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
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05:37 Popular
Linear Models Example 2 | Algebra I | Khan Academy
1,131 views / 0 likes - addedMarbles 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
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06:56 Popular
Exponents And Powers Of Zero Patterns | Pre-Algebra | Khan Academy
1,094 views / 0 likes - addedNow 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
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08:52 Popular
Linear Models Example 1 | Algebra I | Khan Academy
1,826 views / 0 likes - addedLinear 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
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02:40 Popular
Interpreting Linear Formulas Example 1 | Algebra I | Khan Academy
2,152 views / 0 likes - addedInterpreting 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
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05:02 Popular
Positive And Negative Slope | Algebra I | Khan Academy
1,460 views / 0 likes - addedPositive 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
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02:35 Popular
Interpreting Linear Formulas Example 2 | Algebra I | Khan Academy
1,411 views / 0 likes - addedLinear 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
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08:21 Popular
Two-variable Linear Equations And Their Graphs | Algebra I | Khan Academy
1,954 views / 0 likes - addedIntroduction 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
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05:09 Popular
Converting From Slope-intercept To Standard Form | Algebra I | Khan Academy
1,305 views / 0 likes - addedConverting 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
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02:27 Popular
Checking Ordered Pair Solutions To Equations Example 2 | Algebra I | Khan Academy
1,040 views / 0 likes - addedSecond 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
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02:35 Popular
Checking Ordered Pair Solutions To Equations Example 1 | Algebra I | Khan Academy
1,251 views / 0 likes - addedChecking 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
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07:11 Popular
Graphing Solutions To Two-variable Linear Equations Example 2 | Algebra I | Khan Academy
1,957 views / 0 likes - addedGraphing 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
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07:08 Popular
Early Train Word Problem | Linear Equations | Algebra I | Khan Academy
863 views / 0 likes - addedFun 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
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10:00
Introduction To Number Systems And Binary | Pre-Algebra | Khan Academy
604 views / 0 likes - addedWatch 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.
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05:27 Popular
Converting Directly From Binary To Hexadecimal | Pre-Algebra | Khan Academy
1,267 views / 0 likes - addedWatch 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
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03:03 Popular
Introduction To Exponents | Pre-Algebra | Khan Academy
1,477 views / 0 likes - addedTaking 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
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09:17 Popular
Unit Conversion Within The Metric System | Pre-Algebra | Khan Academy
1,801 views / 0 likes - addedMetric 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
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06:17 Popular
Solving Percent Problems | Decimals | Pre-Algebra | Khan Academy
872 views / 0 likes - addedWe'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
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03:21 Popular
Introduction To Perimeter | Measurement | Pre-Algebra | Khan Academy
779 views / 0 likes - addedFind 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
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03:43 Popular
Converting From Decimal To Hexadecimal Representation | Pre-Algebra | Khan Academy
1,416 views / 0 likes - addedWatch 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
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02:48 Popular
Adding In Binary | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy
1,020 views / 0 likes - addedWatch 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/
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03:36 Popular
Approximating Irrational Number Exercise Example | Pre-Algebra | Khan Academy
1,487 views / 0 likes - addedPractice 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
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03:00 Popular
Inverse Property Of Addition | Arithmetic Properties | Pre-Algebra | Khan Academy
1,690 views / 0 likes - addedThe 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
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09:16 Popular
Adding/subtracting Negative Numbers | Pre-Algebra | Khan Academy
1,344 views / 0 likes - addedAdding 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=
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08:13 Popular
Prime Numbers | Factors And Multiples | Pre-Algebra | Khan Academy
1,155 views / 0 likes - addedWhat 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
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08:30 Popular
Multiplying And Dividing Negative Numbers | Pre-Algebra | Khan Academy
1,750 views / 0 likes - addedMultiplying 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
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07:51 Popular
Volume: How To Measure It | Measurement | Pre-Algebra | Khan Academy
769 views / 0 likes - addedVolume 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
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05:20 Popular
Order Of Operations: PEMDAS | Arithmetic Properties | Pre-Algebra | Khan Academy
1,816 views / 0 likes - addedWork 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
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07:34 Popular
Hexadecimal Number System | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy
1,081 views / 0 likes - addedWatch 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
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02:07 Popular
Percentage Of A Whole Number | Decimals | Pre-Algebra | Khan Academy
1,501 views / 0 likes - addedWe 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
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03:52 Popular
Converting From Decimal To Binary | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy
1,497 views / 0 likes - addedWatch 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
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03:33 Popular
Finding A Percentage | Decimals | Pre-Algebra | Khan Academy
1,238 views / 0 likes - addedOnce 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
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04:31 Popular
Number Patterns: Interpreting Relationships | Pre-Algebra | Khan Academy
1,521 views / 0 likes - addedExamining 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
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01:34 Popular
Solving Ratio Problems With Graph | Pre-Algebra | Khan Academy
1,846 views / 0 likes - addedIn 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
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04:17 Popular
Introduction To Area And Unit Squares | Measurement | Pre-Algebra | Khan Academy
1,510 views / 0 likes - addedCover 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
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05:34 Popular
Multiplying Positive And Negative Numbers | Pre-Algebra | Khan Academy
1,369 views / 0 likes - addedLearn 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?
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06:14 Popular
How To Plot Inequalities On A Number Line | Pre-Algebra | Khan Academy
1,513 views / 0 likes - addedLearn 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
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05:05 Popular
Solving Ratio Problems With Tables Example 1 | Pre-Algebra | Khan Academy
870 views / 0 likes - addedWe'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
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04:16 Popular
Least Common Multiple Exercise | Factors And Multiples | Pre-Algebra | Khan Academy
1,129 views / 0 likes - addedWe'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
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04:07 Popular
Adding And Subtracting Negative Numbers | Pre-Algebra | Khan Academy
1,318 views / 0 likes - addedLearn 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
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03:38 Popular
Math Patterns Example 1 | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy
708 views / 0 likes - addedPart 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
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03:28 Popular
Inequality Word Problems | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy
1,566 views / 0 likes - addedWe'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
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02:49 Popular
Percent Word Problem Example 2 | Decimals | Pre-Algebra | Khan Academy
1,165 views / 0 likes - addedIt'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
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05:41 Popular
Math Patterns Example 2 | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy
702 views / 0 likes - addedWe 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
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02:36 Popular
Number Patterns: Seeing Relationships | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy
1,015 views / 0 likes - addedLaying 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
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06:20 Popular
Greatest Common Factor Explained | Factors And Multiples | Pre-Algebra | Khan Academy
1,161 views / 0 likes - addedHere'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/
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08:34 Popular
LCM And GCF Word Problems | Factors And Multiples | Pre-Algebra | Khan Academy
1,761 views / 1 likes - addedHere 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
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03:40 Popular
Multi-step Word Problem With Decimals And Subtraction | Pre-Algebra | Khan Academy
1,527 views / 0 likes - addedFirst 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
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03:21 Popular
Rational Number Word Problem With Fractions | Pre-Algebra | Khan Academy
1,690 views / 0 likes - addedWord 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
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00:52 Popular
Reading Bar Charts: Basic Example | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy
1,359 views / 0 likes - addedLet'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/
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02:27 Popular
Inequality Word Problem: One Variable | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy
1,026 views / 0 likes - addedThis 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
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03:45 Popular
Angles, Arc Lengths, And Trig Functions — Harder Example | Math | New SAT | Khan Academy
1,001 views / 0 likes - addedWatch Sal work through a harder Angles, arc lengths, and trig functions problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-additional-topics-math/v/sat-math-s5-easier?utm_source=YT&utm_medium=Desc&utm_campai
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03:52 Popular
Angles, Arc Lengths, And Trig Functions — Basic Example | Math | New SAT | Khan Academy
857 views / 0 likes - addedWatch Sal work through a basic Angles, arc lengths, and trig functions problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-additional-topics-math/v/sat-math-s4-harder?utm_source=YT&utm_medium=Desc&utm_campaig
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04:33 Popular
Average Rate Of Change With Function Notation
4,456 views / 1 likes - addedAverage rate of change with function notation
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09:50 Popular
Adding And Subtracting Fractions | Fractions | Pre-Algebra | Khan Academy
2,031 views / 1 likes - addedHow 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
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04:51 Popular
Cube Root Of A Non-perfect Cube | Pre-Algebra | Khan Academy
1,254 views / 0 likes - addedPractice 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
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03:53 Popular
Plotting Basic Fractions On The Number Line | Fractions | Pre-Algebra | Khan Academy
1,352 views / 0 likes - addedPractice 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
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04:33 Popular
Multiplying Negative And Positive Fractions | Fractions | Pre-Algebra | Khan Academy
861 views / 0 likes - addedSee 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_
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01:11 Popular
Subtracting Decimals: Example 1 | Decimals | Pre-Algebra | Khan Academy
1,077 views / 0 likes - addedSubtracting 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
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05:51 Popular
Equivalent Fractions | Fractions | Pre-Algebra | Khan Academy
2,039 views / 0 likes - addedIntroduces 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
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06:29 Popular
Multiplying Decimals: Place Value And Reordering | Decimals | Pre-Algebra | Khan Academy
1,371 views / 0 likes - addedWe 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/
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02:39 Popular
Comparing Decimals: Ordering From Least To Greatest | Decimals | Pre-Algebra | Khan Academy
1,859 views / 0 likes - addedThis 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/
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09:23 Popular
Converting Fractions To Decimals | Decimals | Pre-Algebra | Khan Academy
2,048 views / 2 likes - addedHow 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
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09:15 Popular
Mixed Numbers And Improper Fractions | Fractions | Pre-Algebra | Khan Academy
1,709 views / 2 likes - addedConverting 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
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14:13 Popular
Introduction To Ratios | Ratios, Proportions, Units, And Rates | Pre-Algebra | Khan Academy
1,869 views / 0 likes - addedWhat 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
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03:50 Popular
Introduction To Multiplying Decimals | Decimals | Pre-Algebra | Khan Academy
1,159 views / 0 likes - addedMultiplying 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
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05:42 Popular
Understanding Division Of Fractions | Fractions | Pre-Algebra | Khan Academy
1,203 views / 0 likes - addedUsing 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/
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04:20 Popular
Dividing A Whole Number By A Decimal | Decimals | Pre-Algebra | Khan Academy
1,673 views / 1 likes - addedWhen 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
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09:29 Popular
Dividing Decimals With Hundredths Example 3 | Decimals | Pre-Algebra | Khan Academy
1,065 views / 0 likes - addedThe 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
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04:25 Popular
Multiplying Challenging Decimals | Decimals | Pre-Algebra | Khan Academy
948 views / 0 likes - addedSometimes 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
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03:08 Popular
Multiplying Unit Fractions And Whole Numbers | Fractions | Pre-Algebra | Khan Academy
1,652 views / 1 likes - addedDon'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
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02:36 Popular
Converting Decimals To Percents | Decimals | Pre-Algebra | Khan Academy
1,441 views / 0 likes - addedNeed 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
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04:24 Popular
Example Of Subtracting Fractions With Unlike Denominators | Fractions | Pre-Algebra | Khan Academy
1,567 views / 0 likes - addedIf 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
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02:35 Popular
Dividing Whole Numbers And Fractions: Studying | Fractions | Pre-Algebra | Khan Academy
2,011 views / 0 likes - addedSolve 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
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03:45 Popular
Visualizing Equivalent Fractions | Fractions | Pre-Algebra | Khan Academy
1,076 views / 0 likes - addedTo 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
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02:32 Popular
Dividing Whole Numbers And Fractions: Potpourri | Fractions | Pre-Algebra | Khan Academy
1,691 views / 0 likes - addedSolve 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
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09:36 Popular
Negative Numbers Introduction | Negative Numbers And Absolute Value | Pre-Algebra | Khan Academy
2,126 views / 0 likes - addedMysterious 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.
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04:00 Popular
Finding Factors And Multiples | Factors And Multiples | Pre-Algebra | Khan Academy
1,619 views / 1 likes - addedTo 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
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04:10 Popular
Approximating With Powers Of 10 | Numbers And Operations | 8th Grade | Khan Academy
1,161 views / 0 likes - addedLearn 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-
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08:26
Conjugate acid-base pairs | Acids and bases | Chemistry | Khan Academy
575 views / 0 likes - addedIntroduction 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
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07:37
Introduction to reaction quotient Qc | Chemical equilibrium | Chemistry | Khan Academy
640 views / 0 likes - addedIntroduction 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
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07:57 Popular
Le Chatelier's principle: Worked example | Chemical equilibrium | Chemistry | Khan Academy
931 views / 0 likes - addedA 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
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06:47 Popular
Noble Gas Configuration | Electronic Structure Of Atoms | Chemistry | Khan Academy
1,481 views / 0 likes - addedHow 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
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01:44 Popular
Interpreting Two-way Tables | Data And Modeling | 8th Grade | Khan Academy
1,707 views / 0 likes - addedLearn 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
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07:14 Popular
Calculating internal energy and work example | Chemistry | Khan Academy
1,079 views / 0 likes - addedWorked 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-
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07:50 Popular
pH and pKa relationship for buffers | Chemistry | Khan Academy
819 views / 0 likes - addedHow 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/
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06:52 Popular
Introduction To Partial Pressure | Gases And Kinetic Molecular Theory | Chemistry | Khan Academy
1,562 views / 0 likes - addedDefinition 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
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02:38 Popular
Graphing Linear Equations — Harder Example | Math | New SAT | Khan Academy
880 views / 0 likes - addedWatch 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
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04:01 Popular
Comparing Values With Calculator | Numbers And Operations | 8th Grade | Khan Academy
1,146 views / 0 likes - addedLearn 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
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03:59 Popular
Meet the Comma | Punctuation | Grammar | Khan Academy
894 views / 1 likes - addedDavid 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/
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02:55 Popular
Linear Equation Word Problems — Basic Example | Math | New SAT | Khan Academy
1,208 views / 0 likes - addedWatch 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
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03:43 Popular
BONUS: The Oxford comma | Punctuation | Grammar | Khan Academy
839 views / 0 likes - addedDavid 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
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05:53
Comparing Q vs K example | Chemical equilibrium | Chemistry | Khan Academy
565 views / 0 likes - addedA 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
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06:13 Popular
Rate constant k from half-life example | Knetics | Chemistry | Khan Academy
901 views / 0 likes - addedExample 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
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03:00
Appositives | Punctuation | Grammar | Khan Academy
615 views / 0 likes - addedDavid 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
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02:41 Popular
Multiplying Multiples Of Powers Of 10 | Numbers And Operations | 8th Grade | Khan Academy
1,121 views / 0 likes - addedLearn 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
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07:33 Popular
Ways to get a buffer solution | Chemistry | Khan Academy
1,235 views / 0 likes - addedDescribes 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
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03:45
Introduction to the possessive | The Apostrophe | Punctuation | Khan Academy
597 views / 0 likes - addedApostrophes 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
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03:24 Popular
More uses for commas | Punctuation | Grammar | Khan Academy
791 views / 0 likes - addedDavid 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
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02:18 Popular
Salutations and valedictions | Punctuation | Grammar | Khan Academy
819 views / 0 likes - addedDavid 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
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03:00 Popular
Commas in dialogue | Punctuation | Grammar | Khan Academy
1,153 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
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18:54
Linear Algebra: Introduction to the inverse of a function
630 views / 0 likes - addedIntroduction to the inverse of a function More free lessons at: http://www.khanacademy.org/video?v=-eAzhBZgq28
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02:31
Choosing between its and it’s | The Apostrophe | Punctuation | Khan Academy
521 views / 1 likes - addedDavid 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
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03:36 Popular
Introduction to contractions | The Apostrophe | Punctuation | Khan Academy
923 views / 1 likes - addedApostrophes 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/
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04:28 Popular
Introduction To Nouns | The Parts Of Speech | Grammar | Khan Academy
1,118 views / 0 likes - addedDavid, 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
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03:32
Three types of sentence | Syntax | Khan Academy
635 views / 0 likes - addedThree 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
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07:04 Popular
Dependent and independent clauses | Syntax | Khan Academy
1,274 views / 0 likes - addedIndependent 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
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05:12
Ellipses | Punctuation | Khan Academy
659 views / 0 likes - addedEllipses 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
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04:53
Subject-verb agreement | Syntax | Khan Academy
623 views / 0 likes - addedAgreement 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
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04:19
Dangling modifiers | Syntax | Khan Academy
581 views / 0 likes - addedA 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
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04:14 Popular
Compound-complex sentences | Syntax | Khan Academy
838 views / 0 likes - addedCompound-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
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04:11
Advanced (plural) possession | The Apostrophe | Punctuation | Khan Academy
550 views / 0 likes - addedPaige 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
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02:51
Apostrophes and plurals | The Apostrophe | Punctuation | Khan Academy
459 views / 0 likes - addedThere 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
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01:51
Punctuating a list | Punctuation | Grammar | Khan Academy
575 views / 0 likes - addedLearn 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=
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05:07 Popular
Complex sentences | Syntax | Khan Academy
757 views / 0 likes - addedComplex 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
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03:19 Popular
Commas in space and time | The Comma | Punctuation | Khan Academy
801 views / 0 likes - addedLearn 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
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03:48
Recognizing fragments | Syntax | Khan Academy
480 views / 0 likes - addedA 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
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06:08 Popular
Beginning sentences with conjunctions | The parts of speech | Grammar | Khan Academy
776 views / 0 likes - addedIs 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
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04:18
How to use italics and underlines | Punctuation | Khan Academy
557 views / 0 likes - addedLearn 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
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02:34
Subjects and predicates | Syntax | Khan Academy
645 views / 0 likes - addedA 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
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02:50
Exclamations | Syntax | Khan Academy
466 views / 0 likes - addedAn 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
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04:35 Popular
Introduction To Singular And Plural Nouns | The Parts Of Speech | Grammar | Khan Academy
1,261 views / 0 likes - addedDavid, 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
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04:35
Commas and introductory elements | Punctuation | Grammar | Khan Academy
513 views / 0 likes - addedIn 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
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04:29 Popular
Simple and compound sentences | Syntax | Khan Academy
917 views / 0 likes - addedA 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
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06:20
Dashes | Punctuation | Khan Academy
507 views / 0 likes - addedDashes 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-
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01:51
Possession for words ending in “s” | The Apostrophe | Punctuation | Khan Academy
494 views / 0 likes - addedDo 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
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07:23 Popular
Irregular Plural Nouns, Part II | The Parts Of Speech | Grammar | Khan Academy
927 views / 0 likes - addedThe 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
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04:07 Popular
Pronoun-antecedent agreement | Syntax | Khan Academy
755 views / 0 likes - addedAn 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
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02:52
Three ways to end a sentence | Punctuation | Khan Academy
574 views / 0 likes - addedDavid 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
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04:44 Popular
Relative clauses | Syntax | Khan Academy
737 views / 0 likes - addedA 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
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05:57 Popular
Phrases and clauses | Syntax | Khan Academy
1,433 views / 0 likes - addedA 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
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04:51 Popular
Hyphens vs. dashes | Punctuation | Khan Academy
824 views / 1 likes - addedHyphens 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
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02:34 Popular
Irregular Plural Nouns, Part I | The Parts Of Speech | Grammar | Khan Academy
874 views / 0 likes - addedThe 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
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04:09
Parentheses | Punctuation | Khan Academy
402 views / 0 likes - addedParentheses 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
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05:05
Parallel structure | Syntax | Khan Academy
647 views / 0 likes - addedParallel 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
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05:03 Popular
Indefinite Pronouns | The parts of speech | Grammar | Khan Academy
1,123 views / 0 likes - addedDavid, 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
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04:34
What is a sentence? | Syntax | Khan Academy
546 views / 0 likes - addedA 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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04:38
Run-ons and comma splices | Syntax | Khan Academy
589 views / 0 likes - addedA 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
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02:45
Progressive Aspect | The parts of speech | Grammar | Khan Academy
510 views / 0 likes - addedIf 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
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01:32
Simple Aspect | The parts of speech | Grammar | Khan Academy
597 views / 0 likes - addedIf 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
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04:47
Who versus whom | The parts of speech | Grammar | Khan Academy
585 views / 0 likes - addedWhen 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
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02:31
Perfect Aspect | The parts of speech | Grammar | Khan Academy
679 views / 0 likes - addedIf 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
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04:42 Popular
How To Write Algebraic Expressions From Word Problems | 6th Grade | Khan Academy
1,259 views / 0 likes - addedLearn 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
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05:15 Popular
Thinking About The Changing Values Of Variables And Expressions | 6th Grade | Khan Academy
829 views / 0 likes - addedExplore 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
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03:09 Popular
How To Write Basic Algebraic Expressions From Word Problems | 6th Grade | Khan Academy
934 views / 0 likes - addedLearn 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
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03:13
Using quotation marks in titles | Punctuation | Khan Academy
556 views / 0 likes - addedLearn 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:
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01:16 Popular
Solving Quadratic Equations — Basic Example | Math | New SAT | Khan Academy
929 views / 0 likes - addedWatch 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
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01:26
Introduction to verbs | The parts of speech | Grammar | Khan Academy
608 views / 0 likes - addedLet'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
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04:33 Popular
Coordinating conjunctions | The parts of speech | Grammar | Khan Academy
984 views / 0 likes - addedCoordinating 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
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51:15
Khan Academy Live: SAT Writing
690 views / 0 likes - addedNeed 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
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03:15
Personal pronouns | The parts of speech | Grammar | Khan Academy
642 views / 0 likes - addedLet'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
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03:12 Popular
Correlative conjunctions | The parts of speech | Grammar | Khan Academy
995 views / 0 likes - addedCorrelative 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
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05:27 Popular
Subordinating conjunctions | The parts of speech | Grammar | Khan Academy
1,191 views / 0 likes - addedSubordinating 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
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01:50
Introduction to verb aspect | The parts of speech | Grammar | Khan Academy
565 views / 0 likes - addedIf 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
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02:01 Popular
The present tense | The parts of speech | Grammar | Khan Academy
798 views / 0 likes - addedHow 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
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02:53 Popular
The truly irregular verbs | The parts of speech | Grammar | Khan Academy
1,023 views / 0 likes - addedSome 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
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02:00 Popular
The past tense | The parts of speech | Grammar | Khan Academy
921 views / 0 likes - addedWhen 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=
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02:54 Popular
Helping verbs | The parts of speech | Grammar | Khan Academy
1,139 views / 0 likes - addedWe'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
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02:50 Popular
The future tense | The parts of speech | Grammar | Khan Academy
952 views / 0 likes - addedWhen 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
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11:47 Popular
Bond enthalpy and enthalpy of reaction | Chemistry | Khan Academy
1,133 views / 0 likes - addedIntroduction to bond enthalpy, and how to use bond enthalpies to calculate enthalpy of reaction. Watch the next lesson: https://www.khanacademy.org/science/chemistry/thermodynamics-chemistry/enthalpy-chemistry-sal/v/2015-ap-chemistry-free-response-7?utm_s
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02:55 Popular
Emphatic pronouns | The parts of speech | Grammar | Khan Academy
883 views / 0 likes - addedSometimes 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://
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02:00 Popular
What is a pronoun? | The parts of speech | Grammar | Khan Academy
1,059 views / 0 likes - addedPronouns 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
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03:14
The irregular verb gets taken for a ride | Grammar | Khan Academy
576 views / 0 likes - addedThis 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
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05:10 Popular
Reflexive pronouns | The parts of speech | Grammar | Khan Academy
1,076 views / 0 likes - addedWe 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
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05:18 Popular
Pronoun number | The parts of speech | Grammar | Khan Academy
858 views / 0 likes - addedThe 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
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05:41 Popular
That versus which | The parts of speech | Grammar | Khan Academy
959 views / 0 likes - addedMuch 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
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04:53 Popular
Modal verbs | The parts of speech | Grammar | Khan Academy
1,456 views / 0 likes - addedThere'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
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01:56 Popular
Relative pronouns | The parts of speech | Grammar | Khan Academy
1,121 views / 0 likes - addedWe 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/
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09:03
BONUS VIDEO | Singular They | The parts of speech | Grammar | Khan Academy
509 views / 0 likes - addedYou 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
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02:11
Perfect progressive aspect | The parts of speech | Grammar | Khan Academy
530 views / 0 likes - addedWe 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
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02:48 Popular
Picture Graphs | Measurement And Data | Early Math | Khan Academy
1,501 views / 0 likes - addedRead and interpret a picture graph. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-measure-data-topic/cc-early-picture-graphs/e/solving-problems-with-picture-graphs-1?utm_source=YT&utm
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03:02 Popular
Linking verbs | The parts of speech | Grammar | Khan Academy
1,571 views / 0 likes - addedIn 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
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05:34
Subject and object pronouns | The parts of speech | Grammar | Khan Academy
522 views / 0 likes - addedBefore 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
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04:39 Popular
Grammatical person and pronouns | The parts of speech | Grammar | Khan Academy
859 views / 0 likes - addedThere'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
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01:46 Popular
Introduction to verb tense | The parts of speech | Grammar | Khan Academy
787 views / 0 likes - addedAn 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/
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04:52
Possessive pronouns | The parts of speech | Grammar | Khan Academy
659 views / 0 likes - addedWe 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
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02:37 Popular
How To Write Basic Expressions With Variables | 6th Grade | Khan Academy
837 views / 0 likes - addedLearn 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
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03:11 Popular
The vowel-shift irregular verb | The parts of speech | Grammar | Khan Academy
1,178 views / 0 likes - addedThis 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
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02:46 Popular
Introduction to Grammar | Grammar | Khan Academy
952 views / 0 likes - addedKhan 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
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03:29
Introduction to irregular verbs | The parts of speech | Grammar | Khan Academy
560 views / 0 likes - addedWords 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
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03:27 Popular
How To Evaluate Expressions In Two Variables With Decimals And Fractions | 6th Grade | Khan Academy
998 views / 0 likes - addedLearn 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
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01:53
The funky -ed irregular verb | The parts of speech | Grammar | Khan Academy
565 views / 1 likes - addedThese 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
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04:50
Introduction to the apostrophe | The Apostrophe | Punctuation | Khan Academy
598 views / 0 likes - addedDavid 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
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01:37 Popular
Translation Example | Transformations | Geometry | Khan Academy
1,639 views / 0 likes - addedTranslation 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
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