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___9
15___10
___48
54___
51___
72___
5___1
21___
104___
21___
1410___
143___
87___
153___
___52
171___
18___1
3___2
___65
21___
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