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Tags: 4.NBT.4-1, 4.NBT.4-2, 4.NBT.B.4, 4.NBT.INT.1, Addition, Concepts and Procedures, Content Category: P ...

Common Core Standards: 4.OA.A.1

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Tags: 4.MD.A.3, PARCC, area, grade4, math, perimeter

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Common Core Standards: 4.MD.A.2

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