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.

21___
15___6
3___1
13___7
93___
11___10
136___
14___9
1110___
7___1
8___1
___11
21___
117___
20___4
163___
113___
___41
51___
___811
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