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.

___12
___31
___23
17___2
15___9
12___6
2011___
18___15
21___
1917___
___113
3___2
17___4
63___
18___17
4___1
___81
203___
61___
91___
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