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
2___1
193___
9___5
3___2
2___1
1817___
___11
___72
65___
___145
21___
184___
15___9
9___1
19___10
143___
15___10
21___
___111
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