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___10
31___
___104
20___8
___15
145___
___511
72___
11___9
15___8
1910___
13___1
135___
3___1
21___
15___13
127___
4___2
8___2
124___
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