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.

18___17
61___
1511___
15___8
104___
17___4
9___3
10___1
9___5
201___
___173
72___
___135
___22
20___2
19___1
18___11
31___
123___
11___3
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