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.

13___8
7___1
2012___
10___3
21___
71___
9___7
32___
19___9
151___
12___9
___311
5___3
207___
8___2
___216
104___
___21
___13
___612
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