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___
11___1
17___6
9___3
___19
81___
8___7
3___2
73___
42___
___171
1614___
73___
15___6
11___3
20___19
18___9
4___1
___86
121___
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