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Common Core MATH 2 OA 3 Grade 2 Operations And Algebraic Thinking Work With Equal Groups Of Objects To Gain Foundations For Multiplication

Operations And Algebraic Thinking: Work With Equal Groups Of Objects To Gain Foundations For Multiplication.

Determine whether a group of objects (up to 20) has an odd or even number of members, e.g., by pairing objects or counting them by 2s; write an equation to express an even number as a sum of two equal addends.

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