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.

20___17
15___1
___143
___66
31___
83___
9___2
4___3
126___
52___
___15
159___
203___
131___
6___4
19___14
18___7
93___
71___
91___
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