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Topic: Smartboard and Geometric Constructions


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Subject:   RE: Smartboard and Geometric Constructions
Author: markovchaney
Date: Aug 31 2006
But if you don't connect the "steps," someone could hurt themselves climbing the
staircase. You should know that, Ihor. :^)

On Aug 30 2006, ihor wrote:


There is nothing wrong as long as it
> doesnt lead to the kinds of misconceptions that I observed in my
> years of teaching middle school math, namely, the habit of
> connecting points with lines on coordinate grid without thinking
> about whether the points in between should be included in the graph.
> A common example I remember was connecting the endpoints of a step
> graph. Graphing postage rates for a given weight comes to mind.
> -Ihor
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