Common Core MATH 7 NS 1a Grade 7 The Number System Apply And Extend Previous Understandings Of Operations With Fractions To Add Subtract Multiply And Divide Rational Numbers

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The Number System: Apply And Extend Previous Understandings Of Operations With Fractions To Add, Subtract, Multiply, And Divide Rational Numbers.

Describe situations in which opposite quantities combine to make 0. For example, a hydrogen atom has 0 charge because its two constituents are oppositely charged.