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.

17___12
___45
144___
2___1
1910___
___21
6___2
7___1
20___15
201___
107___
1817___
52___
20___11
___63
98___
___119
19___4
12___4
21___
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