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