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.

2___1
___18
10___7
20___13
1410___
___61
8___7
159___
___74
___21
7___6
3___2
___144
10___1
9___1
109___
15___4
199___
11___4
6___4
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