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.

1713___
31___
13___12
9___1
62___
5___4
1612___
32___
___71
12___11
___310
20___17
___18
51___
21___
___131
4___2
81___
1711___
21___
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