Search Results: "adding and subtracting fractions khan academy"
All Most Recent Most Viewed-
09:50 Popular
Adding And Subtracting Fractions | Fractions | Pre-Algebra | Khan Academy
2,114 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
-
02:08 Popular
Tutorial for Adding & Subtracting Fractions
2,013 views / 0 likes - addedTutorial for Adding & Subtracting Fractions. Part of the series: Adding and Subtracting Fractions. Adding and subtracting fractions is a lot like riding a bike - once you know how, you never forget. Get a tutorial for adding and subtracting fractions with
-
04:24 Popular
Example Of Subtracting Fractions With Unlike Denominators | Fractions | Pre-Algebra | Khan Academy
1,641 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
-
09:16 Popular
Adding/subtracting Negative Numbers | Pre-Algebra | Khan Academy
1,350 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=
-
05:23 Popular
Adding And Subtracting Multiple Fractions With Unlike Denominators
973 views / 0 likes - addedAdding and subtracting multiple fractions with unlike denominators
Featured -
04:28 Popular
Adding And Subtracting On Number Line Word Problems | Early Math | Khan Academy
1,423 views / 0 likes - addedPractice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-add-sub-100/cc-early-math-add-sub-100-word-problems/e/adding-and-subtracting-on-the-number-line-word-problems?utm_source=YT&utm_medium=De
-
04:07 Popular
Adding And Subtracting Negative Numbers | Pre-Algebra | Khan Academy
1,332 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
-
04:58 Popular
Comparing Fractions Of Different Wholes | Fractions | 3th Grade | Khan Academy
1,463 views / 0 likes - addedComparing fractions of different wholes Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-third-grade-math/cc-3rd-fractions-topic/cc-3rd-different-wholes/e/naming-the-whole?utm_source=YT&utm_medium=Desc&utm_ca
-
07:36 Popular
Fractions - Adding and Subtracting
729 views / 0 likes - addedFractions - Adding and Subtracting. Examples involving both numerical and variable expressions and shown! For more free math videos, visit http://JustMathTutoring.com
-
02:32 Popular
Comparing Fractions Visually With Pies | Fractions | 4th Grade | Khan Academy
1,040 views / 0 likes - addedComparing fractions visually with pies Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-fourth-grade-math/cc-4th-fractions-topic/cc-4th-comparing-fractions-visually/e/visually-comparing-fractions?utm_source=Y
-
02:55 Popular
Comparing Fractions On A Number Line | Fractions | 4th Grade | Khan Academy
1,444 views / 0 likes - addedComparing fractions on a number line Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-fourth-grade-math/cc-4th-fractions-topic/cc-4th-comparing-fractions-visually/e/visually-comparing-fractions?utm_source=YT&
-
03:08 Popular
Multiplying Unit Fractions And Whole Numbers | Fractions | Pre-Algebra | Khan Academy
1,662 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
-
02:35 Popular
Comparing Fractions Visually With A Bar | Fractions | 4th Grade | Khan Academy
1,103 views / 0 likes - addedLearn how to compare fractions with unlike denominators by drawing bars Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-fourth-grade-math/cc-4th-fractions-topic/cc-4th-comparing-fractions-visually/e/visually
-
02:17 Popular
The Advantages of Using the Least Common Denominator When Adding & Subtracting Denominators
753 views / 0 likes - addedThe Advantages of Using the Least Common Denominator When Adding & Subtracting Denominators. Part of the series: Adding and Subtracting Fractions. Using the least common denominator when adding and subtracting fractions certainly has its fair share of adv
-
05:42 Popular
Understanding Division Of Fractions | Fractions | Pre-Algebra | Khan Academy
1,215 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/
-
06:06 Popular
Equivalent Fractions And Different Wholes | Fractions | 4th Grade | Khan Academy
807 views / 0 likes - addedLearn how two fractions are equivalent only if they refer to the same whole. For example, 1/2 of a small circle is not the same as 1/2 of a big circle. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-fourth-
-
05:51 Popular
Equivalent Fractions | Fractions | Pre-Algebra | Khan Academy
2,118 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
-
04:33 Popular
Multiplying Negative And Positive Fractions | Fractions | Pre-Algebra | Khan Academy
876 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_
-
03:53 Popular
Plotting Basic Fractions On The Number Line | Fractions | Pre-Algebra | Khan Academy
1,367 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
-
09:15 Popular
Mixed Numbers And Improper Fractions | Fractions | Pre-Algebra | Khan Academy
1,784 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
-
03:45 Popular
Visualizing Equivalent Fractions | Fractions | Pre-Algebra | Khan Academy
1,094 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
-
02:35 Popular
Dividing Whole Numbers And Fractions: Studying | Fractions | Pre-Algebra | Khan Academy
2,091 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
-
02:32 Popular
Dividing Whole Numbers And Fractions: Potpourri | Fractions | Pre-Algebra | Khan Academy
1,768 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
-
01:47 Popular
Decompose Hundredths On Number Line | Fractions | 4th Grade | Khan Academy
1,573 views / 0 likes - addedLearn how to decompose a fraction with hundredths on a number line. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-fourth-grade-math/cc-4th-fractions-topic/cc-4th-fractions-unlike-denom/e/decompose-fraction
-
01:11 Popular
Subtracting Decimals: Example 1 | Decimals | Pre-Algebra | Khan Academy
1,090 views / 1 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
-
02:45 Popular
Understanding Place Value While Subtracting Ones | Early Math | Khan Academy
986 views / 0 likes - addedLearn how to subtract 4 from 46 by thinking about place value. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-add-sub-100/cc-early-math-sub-ones-tens/e/subtract-with-in-100-level-1?utm
-
03:12 Popular
Subtracting Hundreds, Tens, And Ones | Early Math | Khan Academy
1,067 views / 0 likes - addedLearn how to subtract three-digit numbers by subtracting ones, tens, and hundreds. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-add-sub-100/cc-early-math-sub-ones-tens-hundreds/e/sub
-
02:38 Popular
Adding 5 + 3 + 6 | Addition And Subtraction Within 20 | Early Math | Khan Academy
714 views / 0 likes - addedLearn how to add 5 + 3 + 6. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-add-sub-20/cc-early-math-add-20/e/adding-three-numbers?utm_source=YT&utm_medium=Desc&utm_campaign=EarlyMath W
-
03:37 Popular
Adding Hundreds, Tens, And Ones | Addition And Subtraction Within 100 | Early Math | Khan Academy
935 views / 0 likes - addedLearn how to add three-digit numbers by adding ones, tens, and hundreds. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-add-sub-100/cc-early-math-add-ones-tens-hundreds/e/add-within-10
-
04:03
Subtracting 14 - 6 | Addition And Subtraction Within 20 | Early Math | Khan Academy
689 views / 0 likes - addedLearn how to subtract 14 - 6 by first thinking about subtracting 2 and 4. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-add-sub-20/cc-early-math-sub-20/e/subtraction_2?utm_source=YT&u
-
04:11 Popular
Subtracting Ten Or One Hundred | Addition And Subtraction Within 100 | Early Math | Khan Academy
2,200 views / 0 likes - addedLearn how to subtract 1, 10, or 100 from a number. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-add-sub-100/cc-early-math-sub-ones-tens-hundreds/e/subtract-within-1000--level-1?utm_s
-
03:16
Understanding Place Value While Adding Tens | Early Math | Khan Academy
624 views / 0 likes - addedLearn how to add 23 + 30 by thinking about place value. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-add-sub-100/cc-early-math-add-ones-tens/e/add-within-100--level-1?utm_source=YT&u
-
02:37 Popular
Understanding Place Value When Subtracting Tens | Early Math | Khan Academy
936 views / 0 likes - addedLearn how to subtract 40 from 65 by thinking about place value. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-add-sub-100/cc-early-math-sub-ones-tens/e/subtract-with-in-100-level-1?ut
-
02:50 Popular
Adding By Getting To Group Of 10 First | Early Math | Khan Academy
733 views / 0 likes - addedPractice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-add-sub-100/cc-early-math-making-groups-of-ten/e/making-100?utm_source=YT&utm_medium=Desc&utm_campaign=EarlyMath Watch the next lesson: h
-
03:19 Popular
Adding 8 + 7 | Addition And Subtraction Within 20 | Early Math | Khan Academy
708 views / 0 likes - addedLearn how to add 8 + 7 by making a group of ten. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-add-sub-20/cc-early-math-add-20/e/addition_2?utm_source=YT&utm_medium=Desc&utm_campaign=
-
04:32 Popular
How To Solve One-step Equations With Fractions And Decimals | 6th Grade | Khan Academy
1,844 views / 0 likes - addedLearn how to solve one-step addition and subtraction equations that have fractions and decimals in them. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-sixth-grade-math/cc-6th-equations-and-inequalities/cc-
-
02:36 Popular
Understanding Place Value When Adding Ones | Early Math | Khan Academy
1,023 views / 0 likes - addedLearn how to add 37 + 2 by thinking about place value. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-add-sub-100/cc-early-math-add-ones-tens/e/add-within-100--level-1?utm_source=YT&ut
-
02:48 Popular
Adding In Binary | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy
1,033 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/
-
02:34 Popular
Adding Two-digit Numbers Without Regrouping | Early Math | Khan Academy
995 views / 1 likes - addedLearn to add 23 + 45 thinking about place value. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-add-sub-100/cc-early-math-add-subtract-100/e/addition_3?utm_source=YT&utm_medium=Desc&ut
-
03:53
Adding 7 + 6 | Addition And Subtraction Within 20 | Early Math | Khan Academy
656 views / 0 likes - addedLearn how to add 7 + 6 using the number line. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-add-sub-20/cc-early-math-add-20/e/addition_2?utm_source=YT&utm_medium=Desc&utm_campaign=Ear
-
03:59 Popular
Adding Ten Or One Hundred | Addition And Subtraction Within 100 | Early Math | Khan Academy
823 views / 1 likes - addedLearn how to add 1, 10, or 100 to a number. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-add-sub-100/cc-early-math-add-ones-tens-hundreds/e/add-within-1000--level-1?utm_source=YT&utm
-
03:27 Popular
How To Evaluate Expressions In Two Variables With Decimals And Fractions | 6th Grade | Khan Academy
1,011 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
-
09:23 Popular
Converting Fractions To Decimals | Decimals | Pre-Algebra | Khan Academy
2,124 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
-
04:22 Popular
Math Antics - Adding and Subtracting Fractions
3,228 views / 2 likes - addedLearn More at mathantics.com Visit http://www.mathantics.com for more Free math videos and additional subscription based content!
-
03:21 Popular
Rational Number Word Problem With Fractions | Pre-Algebra | Khan Academy
1,712 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
-
07:42 Popular
Adding And Subtracting Vectors
1,181 views / 0 likes - addedAdding and subtracting vectors
-
05:01 Popular
Subtracting Fractions With Unlike Denominators
778 views / 0 likes - addedSubtracting fractions with unlike denominators
Featured -
06:22 Popular
Visually Adding And Subtracting Vectors
805 views / 0 likes - addedVisually adding and subtracting vectors
-
02:29 Popular
Adding and subtracting real numbers
745 views / 0 likes - addedU09_L2_T3_we2 Adding and subtracting real numbers
-
02:00 Popular
Adding To 10 | Basic Addition And Subtraction | Early Math | Khan Academy
1,361 views / 0 likes - addedLearn that if we have 3 bananas, then we need 7 more bananas to make 10 bananas. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-add-sub-basics/cc-early-math-make-10/e/making-ten-2?utm_
-
01:31
Subtracting fractions with common denominators (ex 1)
529 views / 0 likes - addedSubtracting fractions with common denominators (ex 1)
-
03:46
Visually Subtracting Fractions With Unlike Denominators
531 views / 0 likes - addedVisually subtracting fractions with unlike denominators
-
03:55
Adding and subtracting real numbers application
660 views / 0 likes - addedU09_L2_T3_we3 Adding and subtracting real numbers application
-
03:06
Adding and Subtracting Rational Expressions 1
524 views / 0 likes - addedU11_L1_T3_we1 Adding and Subtracting Rational Expressions 1
-
02:56
Adding and Subtracting Rational Expressions 2
564 views / 0 likes - addedU11_L1_T3_we2 Adding and Subtracting Rational Expressions 2 More free lessons at: http://www.khanacademy.org/video?v=3tmFTHOP6Pc
-
02:44
Algebraic Expression Adding Fractions
567 views / 0 likes - addedAlgebraic expression adding fractions
-
07:24
Adding Fractions With Unlike Denominators
598 views / 0 likes - addedAdding fractions with unlike denominators
Featured -
04:37
Adding and Subtracting Rational Expressions 3
571 views / 0 likes - addedU11_L1_T3_we3 Adding and Subtracting Rational Expressions 3 More free lessons at: http://www.khanacademy.org/video?v=IKsi-DQU2zo
-
02:26
Subtracting Fractions
571 views / 0 likes - addedU02_L3_T2_we1 Subtracting Fractions More free lessons at: http://www.khanacademy.org/video?v=UbUdyE1_b9g Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
-
02:31 Popular
Adding subtracting mixed numbers 1 (ex 2)
747 views / 0 likes - addedAdding subtracting mixed numbers 1 (ex 2) More free lessons at: http://www.khanacademy.org/video?v=_btQus9HV_I
-
05:40
Visually Adding Fractions With Unlike Denominators
614 views / 0 likes - addedVisually adding fractions with unlike denominators
-
02:31
Adding subtracting mixed numbers 0.5 (ex 2)
661 views / 0 likes - addedAdding subtracting mixed numbers 0.5 (ex 2) More free lessons at: http://www.khanacademy.org/video?v=q19UnHEofOA
-
01:35
Adding subtracting mixed numbers 0.5 (ex 1)
673 views / 0 likes - addedAdding subtracting mixed numbers 0.5 (ex 1) More free lessons at: http://www.khanacademy.org/video?v=EGy1W24EPEI
-
02:33
Adding fractions (ex 1)
645 views / 0 likes - addedAdding fractions (ex 1) More free lessons at: http://www.khanacademy.org/video?v=TuId1spuyoc
-
08:15
Adding and Subtracting Rational Expressions
693 views / 0 likes - addedu15_l1_t3_we4 Adding and Subtracting Rational Expressions More free lessons at: http://www.khanacademy.org/video?v=y_DweTAEYWk Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
-
02:01
Adding and Subtracting Polynomials 1
538 views / 0 likes - addedU08_L2_T2_we1 Adding and Subtracting Polynomials 1 More free lessons at: http://www.khanacademy.org/video?v=ahdKdxsTj8E Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
-
01:44
Adding and Subtracting Polynomials 2
555 views / 0 likes - addedU08_L2_T2_we2 Adding and Subtracting Polynomials 2 More free lessons at: http://www.khanacademy.org/video?v=ZGl2ExHwdak Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
-
02:27 Popular
Adding and Subtracting Polynomials 3
755 views / 0 likes - addedU08_L2_T2_we3 Adding and Subtracting Polynomials 3 More free lessons at: http://www.khanacademy.org/video?v=DMyhUb1pZT0 Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
-
00:59 Popular
Average Height Of A Building's Floor | Multiplication And Division | 3th Grade | Khan Academy
963 views / 0 likes - addedLearn how to use the Khan Academy number line widget. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-third-grade-math/cc-3rd-fractions-topic/cc-3rd-fractions-on-the-number-line/e/fractions_on_the_number_lin
-
03:18
Adding Fractions with Like Denominators
646 views / 0 likes - addedU02_L3_T1_we1 Adding Fractions with Like Denominators More free lessons at: http://www.khanacademy.org/video?v=EJjnEau6aeI Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
-
06:22
Adding fractions with different signs
541 views / 0 likes - addedU09_L2_T2_we2 Adding fractions with different signs More free lessons at: http://www.khanacademy.org/video?v=QS1LMomm0Gk Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
-
04:06
Adding Fractions with Unlike Denominators
535 views / 0 likes - addedU02_L3_T1_we2 Adding Fractions with Unlike Denominators More free lessons at: http://www.khanacademy.org/video?v=OVMceVL_CEQ Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
-
02:21 Popular
Adding subtracting mixed numbers 1 (ex 1)
726 views / 0 likes - addedAdding subtracting mixed numbers 1 (ex 1) More free lessons at: http://www.khanacademy.org/video?v=8Eb5MWwcMMY
-
04:20 Popular
Visually Converting From Tenths To Hundredths | 4th Grade | Khan Academy
1,185 views / 0 likes - addedLearn how to convert fractions from tenths to hundredths using grid diagrams. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-fourth-grade-math/cc-4th-fractions-topic/cc-4th-fractions-unlike-denom/e/equivale
-
07:57 Popular
Le Chatelier's principle: Worked example | Chemical equilibrium | Chemistry | Khan Academy
941 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
-
06:55 Popular
Place Value For Decimals Greater Than One (examples) | 4th Grade | Khan Academy
1,165 views / 1 likes - addedUnderstand decimal numbers that are greater than 1. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-fourth-grade-math/cc-4th-decimals/cc-4th-decimals-greater-than-one/e/decimals-greater-than-one-intuition?ut
-
03:53 Popular
Missing Number For Addition And Subtraction Within 1000 | 3th Grade | Khan Academy
1,821 views / 1 likes - addedLearn how to solve missing number problems like ___ + 261 = 630. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-third-grade-math/cc-3rd-add-sub-topic/cc-3rd-add-sub-missing-value/e/find-the-missing-number--
-
07:40 Popular
Comparing Numbers Represented In Different Ways | 4th Grade | Khan Academy
745 views / 0 likes - addedExamples of Khan Academy practice problems where you compare decimals, fractions, and number diagrams. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-fourth-grade-math/cc-4th-decimals/cc-4th-compare-decimal
-
04:11 Popular
Decomposing Hundredths Into Tenths And Hundredths | 4th Grade | Khan Academy
1,476 views / 0 likes - addedLearn how to decompose a fraction into tenths and hundredths. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-fourth-grade-math/cc-4th-fractions-topic/cc-4th-fractions-unlike-denom/e/decompose-fractions-with
-
05:34 Popular
Multiplying Positive And Negative Numbers | Pre-Algebra | Khan Academy
1,378 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?
-
01:46 Popular
Movie Ticket Proportionality | 7th Grade | Khan Academy
1,006 views / 0 likes - addedWhen going to the movies, is the price you pay proportional to the number of tickets you buy? Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-seventh-grade-math/cc-7th-ratio-proportion/cc-7th-proportional-re
-
02:39 Popular
Proportionality Between Side Length And Perimeter | 7th Grade | Khan Academy
840 views / 0 likes - addedIs the perimeter of a square proportional to the side length of the square? Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-seventh-grade-math/cc-7th-ratio-proportion/cc-7th-proportional-rel/e/analyzing-and-
-
04:37 Popular
Fraction-decimal Intuition Problems (examples) | 4th Grade | Khan Academy
1,031 views / 0 likes - addedUnderstand the connection between decimals and fractions using a grid diagram. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-fourth-grade-math/cc-4th-decimals/cc-4th-decimal-fractions/e/fraction-decimal-in
-
02:57 Popular
Banana Proportionality | Rated And Proportional Relationships | 7th Grade | Khan Academy
1,632 views / 0 likes - addedA proportionality problem about eating bananas Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-seventh-grade-math/cc-7th-ratio-proportion/cc-7th-proportional-rel/e/analyzing-and-identifying-proportional-rela
-
03:46 Popular
Testing Whether Area Is Proportional To Side Length | 7th Grade | Khan Academy
1,180 views / 0 likes - addedIs the volume of a square proportional to the side length of the square? Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-seventh-grade-math/cc-7th-ratio-proportion/cc-7th-proportional-rel/e/analyzing-and-ide
-
04:08 Popular
Plotting Decimal Numbers On A Number Line (examples) | Khan Academy
908 views / 0 likes - addedLearn how to find decimals with hundredths on a number line. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-fourth-grade-math/cc-4th-decimals/cc-4th-decimals-number-line/e/decimals_on_the_number_line_2?utm_
-
03:59 Popular
Meet the Comma | Punctuation | Grammar | Khan Academy
909 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/
-
03:29 Popular
Comparing Decimals Example 1 | Decimals | 4th Grade | Khan Academy
1,490 views / 1 likes - addedLearn how to compare decimals with tenths and hundredths. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-fourth-grade-math/cc-4th-decimals/cc-4th-compare-decimals/e/comparing_decimals_1?utm_source=YT&utm_me
-
03:43 Popular
BONUS: The Oxford comma | Punctuation | Grammar | Khan Academy
850 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
-
01:31 Popular
Filling Rectangles With Squares | Geometry | Early Math | Khan Academy
1,179 views / 0 likes - addedLearn how to fill rectangles with squares. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-geometry-topic/cc-early-math-fractions-of-shapes/e/filling-rectangles-with-same-sized-squares?
-
03:00
Appositives | Punctuation | Grammar | Khan Academy
629 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
-
03:50 Popular
Introduction To Multiplying Decimals | Decimals | Pre-Algebra | Khan Academy
1,173 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
-
03:45
Introduction to the possessive | The Apostrophe | Punctuation | Khan Academy
606 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
-
03:24 Popular
More uses for commas | Punctuation | Grammar | Khan Academy
800 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
-
03:21 Popular
Introduction To Perimeter | Measurement | Pre-Algebra | Khan Academy
785 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
-
02:18 Popular
Salutations and valedictions | Punctuation | Grammar | Khan Academy
828 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
-
03:00 Popular
Commas in dialogue | Punctuation | Grammar | Khan Academy
1,165 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
-
02:31
Choosing between its and it’s | The Apostrophe | Punctuation | Khan Academy
529 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
-
03:36 Popular
Introduction to contractions | The Apostrophe | Punctuation | Khan Academy
938 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/
-
04:28 Popular
Introduction To Nouns | The Parts Of Speech | Grammar | Khan Academy
1,129 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
-
03:32
Three types of sentence | Syntax | Khan Academy
641 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
-
07:04 Popular
Dependent and independent clauses | Syntax | Khan Academy
1,283 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
-
05:12
Ellipses | Punctuation | Khan Academy
667 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
-
04:53
Subject-verb agreement | Syntax | Khan Academy
630 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
-
04:19
Dangling modifiers | Syntax | Khan Academy
591 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
-
02:25 Popular
Halves And Fourths | Geometry | Early Math | Khan Academy
786 views / 0 likes - addedLearn how to divide shapes into two or four equal sections. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-geometry-topic/cc-early-math-fractions-of-shapes/e/halves-and-fourths?utm_sou
-
04:14 Popular
Compound-complex sentences | Syntax | Khan Academy
849 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
-
04:11
Advanced (plural) possession | The Apostrophe | Punctuation | Khan Academy
559 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
-
02:51
Apostrophes and plurals | The Apostrophe | Punctuation | Khan Academy
464 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
-
01:51
Punctuating a list | Punctuation | Grammar | Khan Academy
583 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=
-
05:07 Popular
Complex sentences | Syntax | Khan Academy
777 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
-
03:19 Popular
Commas in space and time | The Comma | Punctuation | Khan Academy
824 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
-
08:26
Conjugate acid-base pairs | Acids and bases | Chemistry | Khan Academy
581 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
-
03:48
Recognizing fragments | Syntax | Khan Academy
491 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
-
06:08 Popular
Beginning sentences with conjunctions | The parts of speech | Grammar | Khan Academy
783 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
-
04:18
How to use italics and underlines | Punctuation | Khan Academy
568 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
-
02:34
Subjects and predicates | Syntax | Khan Academy
656 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
-
02:50
Exclamations | Syntax | Khan Academy
478 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
-
03:33 Popular
Losing Tennis Balls | Addition And Subtraction Within 100 | Early Math | Khan Academy
740 views / 0 likes - addedPractice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-add-sub-100/cc-early-math-add-sub-100-word-problems/e/addition-and-subtraction-word-problems-within-100--level-1?utm_source=YT&utm_medium
-
04:35 Popular
Introduction To Singular And Plural Nouns | The Parts Of Speech | Grammar | Khan Academy
1,273 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
-
04:35
Commas and introductory elements | Punctuation | Grammar | Khan Academy
528 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
-
04:29 Popular
Simple and compound sentences | Syntax | Khan Academy
924 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
-
06:20
Dashes | Punctuation | Khan Academy
514 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-
-
01:51
Possession for words ending in “s” | The Apostrophe | Punctuation | Khan Academy
507 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
-
02:10 Popular
Subtract Tens Exercise | Addition And Subtraction Within 100 | Early Math | Khan Academy
721 views / 1 likes - addedLearn how to add and subtract tens. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-add-sub-100/cc-early-math-sub-ones-tens/e/subtract-tens?utm_source=YT&utm_medium=Desc&utm_campaign=Ea
-
07:23 Popular
Irregular Plural Nouns, Part II | The Parts Of Speech | Grammar | Khan Academy
937 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
-
04:07 Popular
Pronoun-antecedent agreement | Syntax | Khan Academy
776 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
-
02:52
Three ways to end a sentence | Punctuation | Khan Academy
582 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
-
04:44 Popular
Relative clauses | Syntax | Khan Academy
749 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
-
05:57 Popular
Phrases and clauses | Syntax | Khan Academy
1,509 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
-
04:51 Popular
Hyphens vs. dashes | Punctuation | Khan Academy
837 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
-
02:34 Popular
Irregular Plural Nouns, Part I | The Parts Of Speech | Grammar | Khan Academy
880 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
-
04:32
The Zeroth Power | Arithmetic Operations | 6th Grade | Khan Academy
609 views / 0 likes - addedLearn why a number raised to the zero power equals 1. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-sixth-grade-math/cc-6th-arithmetic-operations/cc-6th-exponents/e/positive_and_zero_exponents?utm_source=Y
-
07:37
Introduction to reaction quotient Qc | Chemical equilibrium | Chemistry | Khan Academy
649 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
-
04:09
Parentheses | Punctuation | Khan Academy
411 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
-
03:05 Popular
Equal Parts Of Circles And Rectangles | Geometry | Early Math | Khan Academy
1,363 views / 1 likes - addedPractice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-geometry-topic/cc-early-math-fractions-of-shapes/e/equal-parts-of-circles-and-rectangles?utm_source=YT&utm_medium=Desc&utm_campaign=Early
-
02:07 Popular
Percentage Of A Whole Number | Decimals | Pre-Algebra | Khan Academy
1,526 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
-
05:05
Parallel structure | Syntax | Khan Academy
659 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
-
03:40 Popular
Comparing Decimals Visually Example | 4th Grade | Khan Academy
975 views / 0 likes - addedLearn how to compare decimals using grid diagrams. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-fourth-grade-math/cc-4th-decimals/cc-4th-compare-decimals-visually/e/comparing-decimals-visually?utm_source=
-
05:03 Popular
Indefinite Pronouns | The parts of speech | Grammar | Khan Academy
1,132 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
-
04:34
What is a sentence? | Syntax | Khan Academy
561 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:
-
04:38
Run-ons and comma splices | Syntax | Khan Academy
601 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
-
02:45
Progressive Aspect | The parts of speech | Grammar | Khan Academy
526 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
-
01:32
Simple Aspect | The parts of speech | Grammar | Khan Academy
606 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
-
01:46 Popular
Easy Way of Learning to Subtract Fractions With Whole Numbers
1,387 views / 0 likes - addedEasy Way of Learning to Subtract Fractions With Whole Numbers. Part of the series: Simple Math. When it comes to subtracting with fractions, you're going to want to keep a few very important things in mind. Find out an easy way of learning subtracting wit
-
04:47
Who versus whom | The parts of speech | Grammar | Khan Academy
594 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
-
02:31
Perfect Aspect | The parts of speech | Grammar | Khan Academy
688 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
-
03:33 Popular
Finding A Percentage | Decimals | Pre-Algebra | Khan Academy
1,254 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
-
03:13
Using quotation marks in titles | Punctuation | Khan Academy
567 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:
-
01:26
Introduction to verbs | The parts of speech | Grammar | Khan Academy
616 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
-
04:33 Popular
Coordinating conjunctions | The parts of speech | Grammar | Khan Academy
994 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
-
51:15 Popular
Khan Academy Live: SAT Writing
720 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
-
03:15
Personal pronouns | The parts of speech | Grammar | Khan Academy
652 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
-
03:12 Popular
Correlative conjunctions | The parts of speech | Grammar | Khan Academy
1,011 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
-
05:27 Popular
Subordinating conjunctions | The parts of speech | Grammar | Khan Academy
1,232 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
-
01:50
Introduction to verb aspect | The parts of speech | Grammar | Khan Academy
572 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
-
02:01 Popular
The present tense | The parts of speech | Grammar | Khan Academy
807 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
-
02:53 Popular
The truly irregular verbs | The parts of speech | Grammar | Khan Academy
1,032 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
-
02:00 Popular
The past tense | The parts of speech | Grammar | Khan Academy
927 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=
-
02:54 Popular
Helping verbs | The parts of speech | Grammar | Khan Academy
1,149 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
-
03:06 Popular
Decimal Intuition With Grids (examples) | Decimals | 4th Grade | Khan Academy
1,251 views / 0 likes - addedDeepen your understanding of decimal numbers by thinking about grid diagrams. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-fourth-grade-math/cc-4th-decimals/cc-4th-decimals-intro/e/decimal-intuition-with-
-
02:50 Popular
The future tense | The parts of speech | Grammar | Khan Academy
961 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
-
02:55 Popular
Emphatic pronouns | The parts of speech | Grammar | Khan Academy
890 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://
-
02:00 Popular
What is a pronoun? | The parts of speech | Grammar | Khan Academy
1,075 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
-
03:14
The irregular verb gets taken for a ride | Grammar | Khan Academy
589 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
-
05:15 Popular
Thinking About The Changing Values Of Variables And Expressions | 6th Grade | Khan Academy
839 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
-
05:10 Popular
Reflexive pronouns | The parts of speech | Grammar | Khan Academy
1,086 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
-
05:18 Popular
Pronoun number | The parts of speech | Grammar | Khan Academy
869 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
-
05:41 Popular
That versus which | The parts of speech | Grammar | Khan Academy
967 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
-
04:53 Popular
Modal verbs | The parts of speech | Grammar | Khan Academy
1,468 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
-
01:56 Popular
Relative pronouns | The parts of speech | Grammar | Khan Academy
1,129 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/
-
09:03
BONUS VIDEO | Singular They | The parts of speech | Grammar | Khan Academy
515 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
-
05:27 Popular
Converting Directly From Binary To Hexadecimal | Pre-Algebra | Khan Academy
1,282 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
-
02:04 Popular
Compose Shapes | Geometry | Early Math | Khan Academy
775 views / 0 likes - addedLearn how to combine shapes to make other shapes. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-geometry-topic/cc-early-math-composing-shapes/e/compose-shapes?utm_source=YT&utm_medium
-
02:11
Perfect progressive aspect | The parts of speech | Grammar | Khan Academy
537 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
-
06:47 Popular
Noble Gas Configuration | Electronic Structure Of Atoms | Chemistry | Khan Academy
1,487 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
-
03:02 Popular
Linking verbs | The parts of speech | Grammar | Khan Academy
1,640 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
-
08:30 Popular
Multiplying And Dividing Negative Numbers | Pre-Algebra | Khan Academy
1,827 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
-
09:17 Popular
Unit Conversion Within The Metric System | Pre-Algebra | Khan Academy
1,865 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
-
03:40 Popular
Multi-step Word Problem With Decimals And Subtraction | Pre-Algebra | Khan Academy
1,611 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
-
05:34
Subject and object pronouns | The parts of speech | Grammar | Khan Academy
530 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
-
10:00
Introduction To Number Systems And Binary | Pre-Algebra | Khan Academy
613 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.
-
14:13 Popular
Introduction To Ratios | Ratios, Proportions, Units, And Rates | Pre-Algebra | Khan Academy
1,944 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
-
04:39 Popular
Grammatical person and pronouns | The parts of speech | Grammar | Khan Academy
870 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
-
03:21
GPT-4o (Omni) math tutoring demo on Khan Academy
21 views / 0 likes - addedNew GPT-4o (Omni) tutoring demo: My new book BRAVE NEW WORDS: HOW AI WILL REVOLUTIONIZE EDUCATION comes out tomorrow. What is described in this book is happening fast... My son and I filmed this last week at OpenAI that gives a glimpse of this happening o
-
03:43 Popular
Converting From Decimal To Hexadecimal Representation | Pre-Algebra | Khan Academy
1,431 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
-
07:14 Popular
Calculating internal energy and work example | Chemistry | Khan Academy
1,092 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-
-
07:50 Popular
pH and pKa relationship for buffers | Chemistry | Khan Academy
829 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/
-
01:46 Popular
Introduction to verb tense | The parts of speech | Grammar | Khan Academy
808 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/
-
04:52
Possessive pronouns | The parts of speech | Grammar | Khan Academy
668 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
-
03:03 Popular
Introduction To Exponents | Pre-Algebra | Khan Academy
1,547 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
-
12:49 Popular
Scientific Notation Examples | Pre-Algebra | Khan Academy
1,162 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
-
06:17 Popular
Solving Percent Problems | Decimals | Pre-Algebra | Khan Academy
885 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
-
04:56 Popular
Equal Sign | Addition And Subtraction Within 20 | Early Math | Khan Academy
778 views / 0 likes - addedLearn what the equals sign really means. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-add-sub-20/cc-early-math-equals-sign/e/meaning-of-equal-sign-1?utm_source=YT&utm_medium=Desc&utm
-
03:11 Popular
The vowel-shift irregular verb | The parts of speech | Grammar | Khan Academy
1,188 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
-
06:29 Popular
How To Use The Distributive Property With Variables | 6th Grade | Khan Academy
1,294 views / 0 likes - addedLearn how to apply the distributive property to algebraic expressions. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-sixth-grade-math/cc-6th-expressions-and-variables/cc-6th-distributive-property/e/distrib
-
02:46 Popular
Introduction to Grammar | Grammar | Khan Academy
967 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
-
03:00 Popular
Inverse Property Of Addition | Arithmetic Properties | Pre-Algebra | Khan Academy
1,773 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
-
03:29
Introduction to irregular verbs | The parts of speech | Grammar | Khan Academy
566 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
-
20:48 Popular
Introduction To Scientific Notation | Pre-Algebra | Khan Academy
1,945 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
-
02:05 Popular
Skip Counting By 5 Example | Addition And Subtraction Within 100 | Early Math | Khan Academy
769 views / 0 likes - addedLearn to count by fives. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-add-sub-100/cc-early-math-skip-counting/e/skip-counting-by-5s?utm_source=YT&utm_medium=Desc&utm_campaign=EarlyMa
-
02:37 Popular
How To Write Basic Expressions With Variables | 6th Grade | Khan Academy
845 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
-
05:53
Comparing Q vs K example | Chemical equilibrium | Chemistry | Khan Academy
582 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
>> View adding subtracting fractions khan academy web videos