Ratio problem with basic algebra | Linear equations and inequalities | Algebra Basics | Khan Academy
5:12
YouTubeKhan Academy
Ratio problem with basic algebra | Linear equations and inequalities | Algebra Basics | Khan Academy
A slightly more involved ratio problem with algebra. Created by Sal Khan. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/math/algebra-basics/core-algebra-linear-equations-inequalities/ratios-core-algebra/e/constructing-proportions-to-solve-application-problems?utm_source=YT&utm_medium=Desc&utm_campaign ...
413.5K viewsNov 5, 2009
Khan Academy Math
More on the concept of multiplication | Multiplication and division | Arithmetic | Khan Academy
5:29
More on the concept of multiplication | Multiplication and division | Arithmetic | Khan Academy
YouTubeKhan Academy
509.1K viewsAug 14, 2015
Intro to multiplication | Multiplication and division | Arithmetic | Khan Academy
3:32
Intro to multiplication | Multiplication and division | Arithmetic | Khan Academy
YouTubeKhan Academy
980.6K viewsAug 14, 2015
Basic multiplication | Multiplication and division | Arithmetic | Khan Academy
13:20
Basic multiplication | Multiplication and division | Arithmetic | Khan Academy
YouTubeKhan Academy
2.3M viewsJul 28, 2009
Top videos
Example 4: Factor a polynomial with two variables by taking a common factor | Khan Academy
5:54
Example 4: Factor a polynomial with two variables by taking a common factor | Khan Academy
YouTubeKhan Academy
622.4K viewsJun 23, 2010
Solving systems of equations by elimination | Algebra Basics | Khan Academy
12:44
Solving systems of equations by elimination | Algebra Basics | Khan Academy
YouTubeKhan Academy
1.9M viewsApr 8, 2010
Probability with playing cards and Venn diagrams | Probability and Statistics | Khan Academy
10:02
Probability with playing cards and Venn diagrams | Probability and Statistics | Khan Academy
YouTubeKhan Academy
1.2M viewsAug 3, 2011
Khan Academy Science
The scientific method
11:48
The scientific method
YouTubeKhan Academy
1.4M viewsMar 15, 2016
Science on Khan Academy
2:44
Science on Khan Academy
YouTubeKhan Academy
17.1K views9 months ago
The periodic table | Chemistry | Khan Academy
12:12
The periodic table | Chemistry | Khan Academy
YouTubeKhan Academy
67.4K views4 months ago

Jump to key moments of Khan Academy Common Core Math

Example 4: Factor a polynomial with two variables by taking a common factor | Khan Academy
5:54
Example 4: Factor a polynomial with two variables by taking a common factor | Khan Academy
622.4K viewsJun 23, 2010
YouTubeKhan Academy
Solving systems of equations by elimination | Algebra Basics | Khan Academy
12:44
Solving systems of equations by elimination | Algebra Basics | Khan Academy
1.9M viewsApr 8, 2010
YouTubeKhan Academy
Probability with playing cards and Venn diagrams | Probability and Statistics | Khan Academy
10:02
Probability with playing cards and Venn diagrams | Probability and Statistics | Khan Academy
1.2M viewsAug 3, 2011
YouTubeKhan Academy
Factoring completely with a common factor | Algebra 1 | Khan Academy
4:00
Factoring completely with a common factor | Algebra 1 | Khan Academy
281.1K viewsAug 15, 2019
YouTubeKhan Academy
What are sets? | Sets | Grade 11 | Math | Khan Academy
6:12
What are sets? | Sets | Grade 11 | Math | Khan Academy
26.9K viewsJan 31, 2025
YouTubeKhan Academy India - English
Common fractions and decimals | Math | 4th Grade | Khan Academy
5:33
Common fractions and decimals | Math | 4th Grade | Khan Academy
346.1K viewsMar 14, 2017
YouTubeKhan Academy
Dividing numbers: long division example | 4th grade | Khan Academy
3:43
Dividing numbers: long division example | 4th grade | Khan Academy
629.4K viewsSep 11, 2015
YouTubeKhan Academy
8:41
Solving a more complicated equation | Linear equations | Algebra I | Khan Academy
2M viewsSep 15, 2010
YouTubeKhan Academy
52:06
Common Core Math
92.4K viewsDec 28, 2018
YouTubeThe Organic Chemistry Tutor
5:51
Setting up proportions to solve word problems | 7th grade | Khan Academy
821.6K viewsAug 23, 2011
YouTubeKhan Academy
8:19
Common denominators: 1/4 and 5/6 | Math | 4th grade | Khan Academy
242.9K viewsAug 18, 2016
YouTubeKhan Academy
8:19
Common denominators: 1/2 and 1/3 | Math | 4th grade | Khan Academy
63.6K viewsAug 18, 2016
YouTubeKhan Academy
9:10
Introduction to the Khan Academy
597 viewsFeb 6, 2023
YouTubeJames Olsen
4:20
How to write one-step equations for word problems | 6th grade | Khan Academy
150.1K viewsSep 11, 2015
YouTubeKhan Academy
13:57
More examples of factoring by grouping | Algebra I | Khan Academy
1.3M viewsApr 9, 2010
YouTubeKhan Academy
4:15
Fraction basics | Fractions | 3rd grade | Khan Academy
1.3M viewsOct 7, 2013
YouTubeKhan Academy
6:28
How to use the distributive property with variables | 6th grade | Khan Academy
298.5K viewsSep 11, 2015
YouTubeKhan Academy
See more
Static thumbnail place holder