Common Core: 7.NS — The Number System
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Name
Date
Score
/ 10
Mental Integer Operations 5
Directions: Solve in your head. Use the strategy label to help.
1.
Make 10
8 + 2 =
Show your thinking
2.
Make 10
8 + 8 =
Show your thinking
3.
Make 10
8 + 7 =
Show your thinking
4.
Make 10
8 + 6 =
Show your thinking
5.
Make 10
8 + 4 =
Show your thinking
6.
Make 10
9 + 2 =
Show your thinking
7.
Make 10
9 + 1 =
Show your thinking
8.
Make 10
9 + 8 =
Show your thinking
9.
Make 10
9 + 7 =
Show your thinking
10.
Make 10
9 + 5 =
Show your thinking
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