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Discussion: Understanding Distance, Speed, and Time Relationships Using Simulation Software tool
Topic: Graphing Tool
Related Item: http://mathforum.org/mathtools/tool/13171/


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Subject:   RE: Graphing Tool
Author: MsBooker
Date: Jun 26 2006
The moving backwards in itself denotes negative numbers.  As one moves forwards,
we know that as an increase. As the studetns are moving bakcwards from 100 to 0,
that denotes subtraction.
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