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
13___11
12___5
21___
1310___
107___
16___1
7___4
43___
___79
15___11
___23
14___11
121___
2___1
14___7
119___
83___
___105
199___
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