Common Core: 2.NBT — Number & Operations in Base Ten
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or use the printable below
Name
Date
Score
/ 8
Mixed Mental Math 1
Directions: Solve in your head. Use the strategy label to help.
1.
Make 10
6 + 8 =
Show your thinking
2.
Make 10
7 + 7 =
Show your thinking
3.
Make 10
7 + 6 =
Show your thinking
4.
Make 10
7 + 5 =
Show your thinking
5.
Make 10
7 + 4 =
Show your thinking
6.
Make 10
7 + 3 =
Show your thinking
7.
Make 10
7 + 8 =
Show your thinking
8.
Make 10
8 + 7 =
Show your thinking
Great work — check your answers when you finish.
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