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

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2nd Grade Games - Add and subtract within 20.

Fluently add and subtract within 20 using mental strategies. By end of Grade 2, know from memory all sums of two one-digit numbers.

Screenshot Name / Description Flag? Rating
Skater Math
Get the addition and subtraction problems correct to jump obstacles.
Subtraction Blast
Point with your mouse and blast multiples of 2 and 3.
Fraction Tilt
Add and subtract to equalize the seesaw

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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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