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