Learning Place Value by Counting Squares
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Our everyday number system has the same kind of digits in each position. Each position stands for something different.
Contributed by: Jesse Nochella (March 2011)
Open content licensed under CC BY-NC-SA
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"Learning Place Value by Counting Squares"
http://demonstrations.wolfram.com/LearningPlaceValueByCountingSquares/
Wolfram Demonstrations Project
Published: March 7 2011