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.

21___
72___
13___8
142___
15___12
128___
19___10
14___6
13___3
___42
73___
7___6
137___
10___7
152___
___107
61___
18___11
15___11
12___7
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