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.

___811
___15
___21
8___2
1615___
179___
1410___
14___10
7___5
199___
___72
32___
___612
43___
17___10
4___1
128___
___81
3___2
5___3
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