Math Chimp - Math games, videos, and worksheets aligned to the Common Core standards

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1st Grade Online Math Videos

According to the Common Core Standards, in Grade 1, instructional time should focus on four critical areas: (1) developing understanding of addition, subtraction, and strategies for addition and subtraction within 20; (2) developing understanding of whole number relationships and place value, including grouping in tens and ones; (3) developing understanding of linear measurement and measuring lengths as iterating length units; and (4) reasoning about attributes of, and composing and decomposing geometric shapes.

All 1st Grade Online Math Videos

This is a listing of all our 1st Grade Online Math Videos. Newest videos are on top!

Screenshot Name / Description Flag? Rating
Addition and Subtraction Song
Fun song teaching addition and subtraction (2:31)
Khan - Commutative and Associative Laws of Addition
Example using both the commutative and associative laws of addition (3:23)
2-digits Plus Tens
Students teach adding tens to 2-digit numbers
Khan - Adding Multi-digit Whole Numbers
Adding larger number with tens and ones (1:32)
Khan - Basic Addition
Basic addition and introduction to the number line (7:43)
Khan - Associative Law of Addition
Review the associative law of addition with Sal (2:10)
Khan - Commutative Law of Addition
Learn about the commutative law of addition (1:40)
Khan - Basic Subtraction
Introduction to subtraction first reviewing addition (8:32)
Khan - Basic Subtraction 2
Second part in the subtraction series from Sal (12:32)
Khan - Basic Subtraction 3
Part three in the subtraction series from Sal (18:26)

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Welcome to Math Chimp! We create and collect free online math games, videos, and worksheets and organize them by the common core standards. We're glad you've come to find great online math activities here... they're free and always will be!
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