Workbook Detail
Grade 1 Subtraction Within 20 — Set 9
01
3 - 2 = ___
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1
02
19 - 2 = ___
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17
03
3 - 1 = ___
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2
04
3 - 2 = ___
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1
05
13 - 11 = ___
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2
06
19 - 12 = ___
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7
07
6 - 5 = ___
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1
08
18 - 1 = ___
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17
09
17 - 11 = ___
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6
10
9 - 2 = ___
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7
11
6 - 1 = ___
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5
12
2 - 1 = ___
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1
13
7 - 1 = ___
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6
14
9 - 8 = ___
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1
15
17 - 11 = ___
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6
16
8 - 7 = ___
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1
17
5 - 4 = ___
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1
18
6 - 4 = ___
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2
19
3 - 1 = ___
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2
20
4 - 3 = ___
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1