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.

5___3
12___7
53___
___210
1412___
18___14
20___6
143___
___59
72___
___11
42___
108___
1312___
___134
___21
___32
___123
51___
21___
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