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