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Common Core Math K-5: K.OA.A.3

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  2. Common Core Math K-5

CodeHS Lessons

Decompose numbers less than or equal to 10 into pairs in more than one way, e.g., by using objects or drawings, and record each decomposition by a drawing or equation (e.g., 5 = 2 + 3 and 5 = 4 + 1).

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