Common Core State Standards for Math

2.OA.C.3

6b9cbaef-d7cc-11e8-824f-0242ac160002 6b9ddc4d-d7cc-11e8-824f-0242ac160002 6b9b1704-d7cc-11e8-824f-0242ac160002 2.OA.C 2.OA.C.3

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.

Propose a mapping

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