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Whole Numbers Subtraction: 0 to 99

Common Core Math Alignment:
4.NBT.4. Fluently add and subtract multi-digit whole numbers using the standard algorithm.


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Whole Numbers Subtraction: 0 to 99
Whole Numbers Subtraction: 0 to 99
Whole Numbers Subtraction: 0 to 99 Champion:
wenzel
All-Time High Score:
70

2012-13 Score to Beat:
70
Resolution: 100% (750 x 600)
 
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