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.

15___12
21___
1713___
168___
___32
51___
3___1
2___1
3___2
___62
___76
___51
6___3
___85
115___
___63
207___
___16
___61
___210
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