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

Also written as 7.NS.1.a or 7.NS.1a

Describe situations in which opposite quantities combine to make 0.

Example Problems
If A = 0, evaluate:
What number is the opposite of ?
What number is the opposite of ?
Khan Academy Resources
Signs of sumsSubtracting a negative = adding a positive
Goblins

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