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.

19___3
1912___
181___
___513
15___1
161___
52___
16___7
12___9
15___3
6___1
7___2
6___5
133___
___123
21___
64___
1917___
___317
31___
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