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Standards/Math/Northern Mariana Islands/7.NS.A.1.a

7.NS.A.1.a

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.
7.NS.A.1.a
7.NS.A.1.b
7.NS.A.1.c
7.NS.A.1.d

Describe situations in which opposite quantities combine to make 0.

Example Problems
If A = 0, evaluate:
−A=?
What number is the opposite of 0?
What number is the opposite of −10?
Khan Academy Resources
Signs of sumsSubtracting a negative = adding a positive
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