Common Core State Standards for Math

2.NBT.B.6

6b9cbaef-d7cc-11e8-824f-0242ac160002 6b9ddc4d-d7cc-11e8-824f-0242ac160002 6b9cd3d1-d7cc-11e8-824f-0242ac160002 2.NBT.B 2.NBT.B.6

Add up to four two-digit numbers using strategies based on place value and properties of operations.

Propose a mapping

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