7.NOS.A.3: Solve multistep problems involving positive and negative rational numbers in any form (i.e., fractions, decimals, percents) using all four operations. a. Apply properties of operations to efficiently compute with rational numbers and convert between forms when appropriate to support problem solving. b. Evaluate the reasonableness of solutions using estimation, mental math, and understanding of the context.

Solve multistep problems involving positive and negative rational numbers in any form (i.e., fractions, decimals, percents) using all four operations. a. Apply properties of operations to efficiently compute with rational numbers and convert between forms when appropriate to support problem solving. b. Evaluate the reasonableness of solutions using estimation, mental math, and understanding of the context.

Example Problems

Evaluate:

5 + (-2)

Evaluate:

4 + (-9)

Evaluate:

0 + (-5)

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