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Standards

CCSS.Math.Content.7.NS.A.1

Apply and extend previous understandings of addition and subtraction to add and subtract rational numbers; represent addition and subtraction on a horizontal or vertical number line diagram.

CCSS.Math.Content.7.NS.A

Apply and extend previous understandings of operations with fractions to add, subtract, multiply, and divide rational numbers.

The Number System

Common Core State Standards (CCSS) Initiative: Mathematics Standards

CCSS.Math.Content.7.NS.A.1a Describe situations in which opposite quantities combine to make 0.