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___13
12___11
3___2
1511___
15___4
4___2
___12
18___5
21___
9___4
19___6
___11
83___
20___19
___127
___181
1110___
124___
___124
138___
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