Jump to key moments of Khan Academy Math 1st Grade Lessons

Adding 2-digit numbers without regrouping 1 | Addition and subtraction | 1st grade | Khan Academy
1:52
Adding 2-digit numbers without regrouping 1 | Addition and subtra…
210.6K viewsJul 6, 2017
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Adding 1 vs. adding 10 | Addition and subtraction | 1st grade | Khan Academy
2:16
Adding 1 vs. adding 10 | Addition and subtraction | 1st grade | Khan …
206.8K viewsJul 6, 2017
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Regrouping to add 1-digit number | Addition and subtraction | 1st grade | Khan Academy
4:13
Regrouping to add 1-digit number | Addition and subtraction | 1st gra…
137.8K viewsJul 6, 2017
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Breaking apart 2-digit addition problems | Addition and subtraction | 1st grade | Khan Academy
4:47
Breaking apart 2-digit addition problems | Addition and subtracti…
151.8K viewsJul 6, 2017
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Comparison word problems: roly-polies | Addition and subtraction | 1st grade | Khan Academy
3:13
Comparison word problems: roly-polies | Addition and subtraction | …
190.1K viewsJul 6, 2017
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Let’s Order Numbers – From Smallest to Greatest! | Making a Ten | Math | Grade 1 | Khan Academy
3:12
Let’s Order Numbers – From Smallest to Greatest! | Making a T…
232 views3 months ago
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Adding hundreds, tens, and ones | Addition and subtraction within 100 | Early Math | Khan Academy
3:36
Adding hundreds, tens, and ones | Addition and subtraction within 10…
191.9K viewsJun 2, 2015
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5:59
Introduction to place value | Place value (tens and hundreds) | Early …
958.7K viewsApr 15, 2014
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2:49
Adding by getting to group of 10 first | Early Math | Khan Academy
304.2K viewsJun 2, 2015
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17:02
Division 1 | Multiplication and division | Arithmetic | Khan Acade…
1.3M viewsJan 20, 2010
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0:58
Khan Academy Kids: Celebrating First Words Through First Grade
1.1M viewsMar 2, 2020
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7:28
Algebra: Linear equations 1 | Linear equations | Algebra I | Khan Acade…
2.8M viewsNov 19, 2006
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8:53
Introduction to solving an equation with variables on both sides | Alge…
2.7M viewsSep 15, 2010
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5:54
Introduction to rational and irrational numbers | Algebra I | Kh…
2.4M viewsDec 23, 2013
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5:51
Systems of equations word problems example 1 | Algebra I | K…
607.6K viewsJun 15, 2010
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5:42
Understanding division of fractions | Fractions | Pre-Algebra | Khan Aca…
1M viewsAug 11, 2015
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9:15
Introduction to the quadratic equation | Quadratic equations | A…
1.5M viewsJan 28, 2007
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11:22
Introduction to the coordinate plane | Introduction to algebra | Algebra …
1.5M viewsFeb 15, 2012
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5:12
Solving two-step equations | Linear equations | Algebra I | Khan Acade…
912.3K viewsJul 27, 2012
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6:17
Number sets 1 | Fractions | Pre-Algebra | Khan Academy
222.4K viewsNov 24, 2010
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2:36
Exponent properties 1 | Exponent expressions and equations | Alge…
377.3K viewsJan 27, 2011
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3:06
How to combine like terms | Introduction to algebra | Algebra I …
637.3K viewsJul 23, 2012
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4:23
Graphing arithmetic sequences | Algebra I (TX TEKS) | Khan Acade…
5.4K viewsAug 26, 2024
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9:26
Calculus: Derivatives 1 | Taking derivatives | Differential Calculus …
3.4M viewsOct 3, 2007
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8:32
Basic subtraction | Addition and subtraction | Arithmetic | Khan Ac…
1.2M viewsJul 10, 2008
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5:17
Number sets | Fractions | Pre-Algebra | Khan Academy
354K viewsJul 15, 2011
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3:38
Introduction to subtraction | Basic addition and subtraction | Early M…
515.2K viewsJun 2, 2015
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2:37
Adding 5 + 3 + 6 | Addition and subtraction within 20 | Early Math …
264.1K viewsJun 2, 2015
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Newton's first law | Physics | Khan Academy
25.9K viewsJul 2, 2024
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3:32
Intro to multiplication | Multiplication and division | Arithmetic | Khan A…
975.1K viewsAug 14, 2015
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