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.

20___15
21___
32___
51___
105___
102___
3___1
2___1
159___
15___13
___85
___410
18___16
___67
11___4
21___
___141
3___1
13___3
84___
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