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___5
17___6
___21
___58
2___1
3___2
3___2
___16
85___
125___
19___8
14___12
81___
15___1
21___
21___
9___5
___66
1915___
17___4
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