Number Bonds Worksheet

Fill in the missing numbers to complete each number bond. The two parts at the bottom add up to the whole number at the top.

1311___
20___12
32___
8___5
___313
41___
1917___
___23
11___6
51___
12___1
___45
20___5
138___
___122
10___5
20___2
___21
___57
16___11
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