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.

___511
___415
13___12
135___
___11
32___
158___
193___
21___
___217
13___7
___117
203___
1913___
52___
6___3
43___
32___
41___
52___
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