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___9
___65
1511___
___55
2___1
154___
21___
11___10
1514___
2___1
1713___
53___
7___1
___27
121___
3___1
___39
152___
___81
20___18
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