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___
21___
1614___
1513___
19___5
___11
18___2
8___7
___144
___17
10___1
14___5
1711___
16___14
___34
___12
1912___
___18
13___8
21___
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