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