Khan Academy
1:58
Khan Academy
Khan Academy
In this math lesson, we learn how to find equivalent expressions by combining like terms and factoring. We start with an expression like x + 2 - y + x + 2 and simplify it by adding the x terms and factoring out common factors. This helps us compare expressions and solve problems more easily.
Jun 3, 2015
Khan Academy Algebra
Taking percentages | Linear equations | Algebra I | Khan Academy
Taking percentages | Linear equations | Algebra I | Khan Academy
YouTubeKhan Academy
583.2K viewsApr 12, 2007
Logarithms | Logarithms | Algebra II | Khan Academy
7:02
Logarithms | Logarithms | Algebra II | Khan Academy
YouTubeKhan Academy
2.2M viewsDec 21, 2012
Introduction to logarithm properties (part 2) | Logarithms | Algebra II | Khan Academy
10:05
Introduction to logarithm properties (part 2) | Logarithms | Algebra II | Khan Academy
YouTubeKhan Academy
802.7K viewsNov 15, 2007
Top videos
17K views · 386 reactions | Ever heard (or felt) “I’m just not a math person”? Try practicing on Khan Academy: instant feedback, no judgement, a variety of questions, and hints along the way. Give it a try!  khan.co/mathonkhan | Khan Academy | Facebook
0:31
17K views · 386 reactions | Ever heard (or felt) “I’m just not a math person”? Try practicing on Khan Academy: instant feedback, no judgement, a variety of questions, and hints along the way. Give it a try!  khan.co/mathonkhan | Khan Academy | Facebook
FacebookKhan Academy
17.2K views4 weeks ago
85K views · 2.9K reactions | We’re excited to announce that studying...
1:39
85K views · 2.9K reactions | We’re excited to announce that studying...
FacebookKhan Academy
85.6K views3 weeks ago
SAT Math: Critical Concepts for an 800 - Heart of Algebra (Part 1 of 4)
SAT Math: Critical Concepts for an 800 - Heart of Algebra (Part 1 of 4)
YouTubeScalar Learning
196.3K viewsJun 5, 2020
Khan Academy Calculus
Calculus: Derivatives 1 | Taking derivatives | Differential Calculus | Khan Academy
9:26
Calculus: Derivatives 1 | Taking derivatives | Differential Calculus | Khan Academy
YouTubeKhan Academy
3.4M viewsOct 3, 2007
Worked example: Finding derivative with fundamental theorem of calculus | Khan Academy
3:54
Worked example: Finding derivative with fundamental theorem of calculus | Khan Academy
YouTubeKhan Academy
544.4K viewsFeb 8, 2013
Epsilon-delta limit definition 1 | Limits | Differential Calculus | Khan Academy
12:48
Epsilon-delta limit definition 1 | Limits | Differential Calculus | Khan Academy
YouTubeKhan Academy
1.3M viewsApr 10, 2009
17K views · 386 reactions | Ever heard (or felt) “I’m just not a math person”? Try practicing on Khan Academy: instant feedback, no judgement, a variety of questions, and hints along the way. Give it a try!  khan.co/mathonkhan | Khan Academy | Facebook
0:31
17K views · 386 reactions | Ever heard (or felt) “I’m just not a math …
17.2K views4 weeks ago
FacebookKhan Academy
85K views · 2.9K reactions | We’re excited to announce that studying...
1:39
85K views · 2.9K reactions | We’re excited to announce that studying...
85.6K views3 weeks ago
FacebookKhan Academy
SAT Math: Critical Concepts for an 800 - Heart of Algebra (Part 1 of 4)
SAT Math: Critical Concepts for an 800 - Heart of Algebra (Part 1 of 4)
196.3K viewsJun 5, 2020
YouTubeScalar Learning
Khan Academy Live: SAT Writing
51:15
Khan Academy Live: SAT Writing
74.8K viewsMay 30, 2017
YouTubeKhan Academy
Khan Academy Live: SAT Math
48:26
Khan Academy Live: SAT Math
178.3K viewsMay 16, 2017
YouTubeKhan Academy
Frequently Asked SAT Math Questions (Strategies, Approaches, Tips, & Tricks)
37:01
Frequently Asked SAT Math Questions (Strategies, Approache…
69.4K viewsApr 6, 2019
YouTubeMath Man McGreal
Limit examples (part 1) | Limits | Differential Calculus | Khan Academy
8:58
Limit examples (part 1) | Limits | Differential Calculus | Khan Acade…
1.7M viewsSep 30, 2007
YouTubeKhan Academy
9:54
GMAT: Math 1 | Problem solving | GMAT | Khan Academy
705.4K viewsDec 14, 2008
YouTubeKhan Academy
6:17
Number sets 1 | Fractions | Pre-Algebra | Khan Academy
224.7K viewsNov 24, 2010
YouTubeKhan Academy
4:40
Precision | Writing and Language | SAT | Khan Academy
8.6K viewsMar 9, 2021
YouTubeKhan Academy SAT
8:32
Basic subtraction | Addition and subtraction | Arithmetic | Khan Ac…
1.2M viewsJul 10, 2008
YouTubeKhan Academy
4:08
Basic rate problem | Linear equations | Algebra I | Khan Acade…
114.9K viewsJun 12, 2010
YouTubeKhan Academy
10:09
How to use Khan Academy to Self Study for the SAT | Self-Study Part 1
121.9K viewsMay 1, 2020
YouTubePrep with Jen
7:28
Algebra: Linear equations 1 | Linear equations | Algebra I | Khan Acade…
2.9M viewsNov 19, 2006
YouTubeKhan Academy
17:02
Division 1 | Multiplication and division | Arithmetic | Khan Acade…
1.3M viewsJan 20, 2010
YouTubeKhan Academy
6:22
Solving a quadratic equation by factoring | Algebra II | Khan Acade…
2M viewsJun 23, 2010
YouTubeKhan Academy
4:19
Logical Comparison | Writing and Language test | SAT | Khan Acade…
11.5K viewsMar 12, 2021
YouTubeKhan Academy SAT
1:02
Nonlinear equation graphs — Basic example | Math | SAT | Khan Acad…
33.2K viewsFeb 9, 2021
YouTubeKhan Academy SAT
4:43
Introductions | Writing and Language test | SAT | Khan Acade…
8.8K viewsMar 5, 2021
YouTubeKhan Academy SAT
2:26
Multiplying two fractions: example | Fractions | Pre-Algebra | Khan Aca…
2.4M viewsAug 7, 2010
YouTubeKhan Academy
6:38
Compound interest introduction | Interest and debt | Finance & Capit…
1.3M viewsSep 29, 2013
YouTubeKhan Academy
5:54
Sequencing sentences | Writing and Language test | SAT | Khan Acade…
39.3K viewsApr 23, 2021
YouTubeKhan Academy SAT
4:26
Introduction to t statistics | Confidence intervals | AP Statistic…
126.8K viewsDec 18, 2017
YouTubeKhan Academy
2:49
Circle equations — Harder example | Math | SAT | Khan Academy
16.7K viewsJun 27, 2019
YouTubeKhan Academy SAT
5:51
Setting up proportions to solve word problems | 7th grade | Khan Acade…
818.1K viewsAug 23, 2011
YouTubeKhan Academy
11:39
Introduction to long division | Multiplication and division | Arith…
2.1M viewsJan 20, 2010
YouTubeKhan Academy
5:09
Volume word problems — Basic example | Math | SAT | Khan Acad…
27.5K viewsJun 26, 2019
YouTubeKhan Academy SAT
14:48
Active Reading Step | Science passage | Reading test | SAT | Kha…
21K viewsJan 4, 2021
YouTubeKhan Academy SAT
1:26
Percents — Basic example | Math | New SAT | Khan Academy
20K viewsDec 10, 2019
YouTubeKhan Academy SAT
See more videos
Static thumbnail place holder