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.

4___1
5___1
21___
1714___
17___3
12___2
___44
___13
___21
1611___
5___4
158___
14___8
1811___
65___
74___
___161
20___8
___58
10___2
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