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___
61___
___105
___12
137___
19___17
___53
6___3
1412___
13___3
21___
6___5
___44
4___3
___16
16___15
72___
13___8
10___3
4___2
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