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.

4___1
___131
19___3
___412
___64
20___17
___11
81___
32___
___41
___121
3___1
51___
4___2
149___
15___9
84___
___611
64___
18___7
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