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.

13___6
117___
143___
18___15
93___
11___2
15___5
17___7
20___14
6___2
4___3
19___18
15___11
7___5
18___6
43___
15___13
17___2
5___3
___21
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