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.

109___
18___17
___414
171___
134___
___11
21___
1211___
9___5
15___7
1813___
___52
9___4
178___
20___11
3___1
17___5
1715___
___811
41___
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