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 subtraction | 1st grade | Khan Academy
212.8K 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 grade | Khan Academy
139K 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 subtraction | 1st grade | Khan Academy
153.5K 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 Academy
208K 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 | 1st grade | Khan Academy
192.5K viewsJul 6, 2017
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Fractions for Kids (Halves & Fourths) with Shapes | Khan Academy Kids
3:11
Fractions for Kids (Halves & Fourths) with Shapes | Khan Academy Kids
78.3K views6 months ago
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Relating addition and subtraction | Basic addition and subtraction | Early Math | Khan Academy
2:05
Relating addition and subtraction | Basic addition and subtraction | Early Math | Khan Academy
397.6K viewsJun 2, 2015
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2:14
Addition and subtraction within 10 | Basic addition and subtraction | Early Math | Khan Academy
215.6K viewsJun 2, 2015
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5:59
Introduction to place value | Place value (tens and hundreds) | Early Math | Khan Academy
973.7K viewsApr 15, 2014
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3:36
Adding hundreds, tens, and ones | Addition and subtraction within 100 | Early Math | Khan Academy
196.5K viewsJun 2, 2015
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2:37
Adding 5 + 3 + 6 | Addition and subtraction within 20 | Early Math | Khan Academy
267K viewsJun 2, 2015
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1:41
Addition word problems within 10 | Basic addition and subtraction | Early Math | Khan Academy
266.8K viewsJun 1, 2015
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2:36
Order by length | Measurement and data | Early Math | Khan Academy
205.4K viewsJun 2, 2015
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1:53
Missing numbers between 0 and 120 | Counting | Early Math | Khan Academy
549.8K viewsJun 2, 2015
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8:32
Basic subtraction | Addition and subtraction | Arithmetic | Khan Academy
1.2M viewsJul 10, 2008
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3:38
Introduction to subtraction | Basic addition and subtraction | Early Math | Khan Academy
518.3K viewsJun 2, 2015
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2:56
Reading bar graph examples | Measurement and data | Early Math | Khan Academy
264.8K viewsJun 2, 2015
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17:02
Division 1 | Multiplication and division | Arithmetic | Khan Academy
1.3M viewsJan 20, 2010
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0:59
Intro to Expanded Form | Place Value for Kids | Khan Academy Kids
33.9K viewsAug 26, 2024
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1:26
Use Expanded Form to Add 3-Digit Numbers | Place Value for Kids | Khan Academy Kids
24.4K viewsAug 19, 2024
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4:08
Measuring a golden statue | Measurement and data | Early Math | Khan Academy
277.3K viewsApr 15, 2014
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1:54
Multiplying: 3 digits times 1 digit | Multiplication and division | Arithmetic | Khan Academy
369.1K viewsAug 14, 2015
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9:15
Introduction to the quadratic equation | Quadratic equations | Algebra I | Khan Academy
1.5M viewsJan 28, 2007
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7:28
Algebra: Linear equations 1 | Linear equations | Algebra I | Khan Academy
2.9M viewsNov 19, 2006
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11:22
Introduction to the coordinate plane | Introduction to algebra | Algebra I | Khan Academy
1.5M viewsFeb 15, 2012
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2:59
Multiplication, division word problems: how many field goals? | Arithmetic | Khan Academy
367.8K viewsAug 14, 2015
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0:36
Counting On | How to Subtract | Khan Academy Kids
84.3K viewsFeb 19, 2024
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0:50
Ones, Tens, & Hundreds | Place Value for Kids | Khan Academy Kids
24.6K viewsAug 12, 2024
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1:51
Multiplying: 2 digits times 1 digit | Multiplication and division | Arithmetic | Khan Academy
667.5K viewsAug 14, 2015
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3:13
Let’s Order Numbers – From Smallest to Greatest! | Making a Ten | Math | Grade 1 | Khan Academy
1.6K viewsMay 28, 2025
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