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.

1712___
1610___
21___
___145
15___7
98___
168___
15___8
___12
1917___
197___
6___5
86___
___511
15___2
1816___
2___1
19___5
13___6
51___
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