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___
186___
117___
___142
20___9
20___4
8___4
18___5
31___
___145
___116
15___11
___155
154___
14___3
19___11
7___2
1817___
1714___
___42
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