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___
___145
9___3
15___2
17___1
5___2
31___
16___3
7___2
104___
146___
158___
___68
5___3
___23
156___
___13
106___
19___2
14___4
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