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.

4___1
163___
___412
___21
18___11
12___10
___109
___21
11___5
31___
11___1
2___1
122___
12___1
1812___
___133
102___
1813___
___42
73___
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