Common Core: 1.OA — Operations & Algebraic Thinking
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Name
Date
Score
/ 12
Subtraction Within 20 (Set D)
Directions: Subtract. Write the answer on the line.
1.
10
2.
20
3.
30
4.
43
5.
44
6.
53
7.
63
8.
72
9.
80
10.
88
11.
97
12.
106
Great work — check your answers when you finish.
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