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.

1713___
18___8
1411___
21___
1210___
15___11
83___
62___
7___5
4___3
1312___
9___8
21___
9___3
___12
17___3
___63
___31
106___
123___
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