<span class="Apple-style-span" style="font-family: -webkit-sans-serif; line-height: 19px; "> <a href="http://en.wikipedia.org/wiki/Ren%C3%A9_Descartes" title="René Descartes" style="text-decoration: none; color: rgb(0, 43, 184); background-image: none; background-repeat: initial; background-attachment: initial; -webkit-background-clip: initial; -webkit-background-origin: initial; background-color: initial; background-position: initial initial; ">René Descartes</a> would ask you to put the sliders on his coordinate system, </span><a href="http://en.wikipedia.org/wiki/Cartesian_coordinate_system">http://en.wikipedia.org/wiki/Cartesian_coordinate_system</a>, probably now on the left and bottom. They would then suggest or represent number scales and their motion would be related geometrically with the objects number changes.<div>
<br></div><div>This would help hand-eye coordination and recruit muscle memory into the learning process.</div><div><br></div><div>Nice idea to use the XO figures. I can imagine also using a gray-to-colored transition as an alternate way to reveal the product and sums against a constant field of figures as subtle way to show what "could be" or "what was" before and after a change.</div>
<div><br></div><div>When it comes time to show fractions, for example, the figures could fill with "ink" on continuous scale rather than discrete sliders.</div><div><br></div><div>Great start! --Fred</div><div>
<br><br><div class="gmail_quote">2009/3/19 Jason Rock <span dir="ltr"><<a href="mailto:rockj@rpi.edu">rockj@rpi.edu</a>></span><br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
Here is an alpha version of the idea as well as a mock up for anyone interested. I appreciate any comments.<br><font color="#888888"><br>--Jason<br>
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