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.

4___1
15___12
___44
54___
21___
___611
19___12
1110___
12___6
___119
21___
11___5
___51
41___
___21
___56
6___1
11___10
154___
1615___
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