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.

171___
___83
___911
2___1
1612___
133___
139___
___12
41___
17___16
___23
13___9
___39
11___2
___67
19___12
101___
63___
21___
138___
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