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.

20___18
7___2
___21
7___2
21___
3___1
___16
4___2
1413___
5___2
18___5
43___
17___6
___312
63___
7___5
9___1
19___8
___41
___83
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