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.

21___
91___
1512___
143___
62___
20___12
7___3
___513
85___
___123
51___
156___
115___
___92
1911___
171___
96___
15___12
43___
31___
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