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___
1210___
21___
20___1
21___
62___
___123
19___16
107___
6___2
3___1
21___
62___
___123
172___
19___18
166___
53___
137___
54___
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