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.

1815___
18___2
___145
5___4
2___1
10___5
81___
7___4
165___
___214
___12
___613
8___5
9___1
12___11
64___
12___10
3___2
158___
121___
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