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.

31___
54___
12___6
159___
9___1
145___
1210___
5___3
13___3
42___
86___
2___1
___13
3___2
1410___
3___1
___91
61___
18___13
___315
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