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.

1312___
___61
1413___
___11
6___3
___43
143___
7___5
18___1
20___18
166___
2012___
___513
16___8
1311___
61___
7___3
19___16
17___10
1810___
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