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.

10___5
2___1
8___1
1816___
8___4
21___
2010___
42___
12___3
___51
61___
21___
18___1
___172
10___4
17___6
20___13
41___
128___
32___
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