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.

63___
51___
___21
17___10
___212
52___
104___
209___
4___3
108___
___1010
6___4
2___1
9___7
72___
162___
87___
107___
___317
14___11
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