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Operations and Algebraic Thinking Understand addition as putting together and adding to, and understand subtraction as taking apart and taking from. 3Decompose 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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Which Equals
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