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