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.

___145
158___
17___13
___57
___12
84___
4___1
4___1
1513___
43___
107___
64___
11___3
102___
20___15
42___
11___2
31___
41___
101___
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