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
3___1
4___2
17___7
145___
17___15
2___1
15___13
___102
___83
14___5
6___4
21___
139___
___113
104___
20___8
97___
2012___
32___
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