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CCSS.MATH.CONTENT.2.NBT.5

Use place value understanding and properties of operations to add and subtract.

Description

Fluently add and subtract within 100 using strategies based on place value, properties of operations, and/or the relationship between addition and subtraction.

This unit revolves around the math curriculum Math Expressions for 2nd grade Unit 1: Addition and Subtraction within 20.  

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