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.

16___4
138___
17___16
42___
9___2
21___
43___
4___1
19___12
___51
3___2
123___
___31
13___3
175___
107___
86___
2___1
41___
15___5
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