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.

15___10
64___
21___
___142
18___9
1413___
146___
32___
___72
11___2
12___8
51___
9___3
91___
19___18
21___
42___
___112
9___8
32___
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