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___
21___
32___
2___1
8___1
156___
64___
85___
1610___
13___12
129___
92___
___12
1917___
1612___
___15
71___
75___
___45
138___
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