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1st Grade
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Subtraction within 20
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Sheet 20
Subtraction within 20 — Worksheet 20
Name:
Date:
Subtraction within 20
Solve each problem.
1.
17 − 7 =
2.
15 − 5 =
3.
13 − 3 =
4.
17 − 15 =
5.
13 − 13 =
6.
11 − 2 =
7.
11 − 7 =
8.
10 − 3 =
9.
20 − 7 =
10.
9 − 3 =
11.
12 − 12 =
12.
20 − 18 =
13.
10 − 5 =
14.
11 − 3 =
15.
14 − 2 =
16.
10 − 1 =
17.
18 − 8 =
18.
18 − 15 =
19.
19 − 11 =
20.
16 − 14 =
10
10
10
2
0
9
4
7
13
6
0
2
5
8
12
9
10
3
8
2
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1st Grade · Sheet #20