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.

___511
2015___
14___12
3___1
6___2
15___3
3___1
12___4
___14
___89
109___
21___
18___15
32___
1918___
___131
162___
21___
42___
65___
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