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.

117___
12___5
1310___
___51
3___2
21___
54___
2___1
10___6
15___9
21___
15___6
21___
___510
16___11
20___17
15___5
61___
1410___
___137
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