Transformations using dynamic software can provide a unique perspective on a common topic.

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Contributor Notes

Scott Steketee,, taught for eighteen years in Philadelphia public schools, currently develops Sketchpad curriculum and resources at KCP Technologies, teaches as an adjunct instructor of mathematics methods at the University of Pennsylvania, and enjoys riding a tandem bicycle with his wife in his spare time.

Daniel Scher,, is a senior scientist at KCP Technologies. He is the principal investigator of the NSF-funded Dynamic Number project.

(Corresponding author is Steketee
(Corresponding author is Scher
Mathematics Teaching in the Middle School
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