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.

___42
32___
20___10
91___
20___5
13___9
72___
21___
91___
6___4
9___8
153___
1815___
133___
___611
20___8
15___10
5___3
51___
92___
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