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.

144___
12___7
___163
109___
76___
3___2
73___
4___1
20___19
1815___
21___
8___6
10___8
31___
13___4
19___7
13___12
1210___
___33
20___18
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