Discussion:  Galactic Exchange tool 
Topic:  A student on Galatic Exchange. 
Related Item:  http://mathforum.org/mathtools/tool/55/ 
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Subject:  add a few numbers, but not too many. 
Author:  Michelle 
Date:  Nov 23 2003 
triangle=9, to buy two of candy A it cost 36, to buy 5 of candy B it cost 78.
That way students are using both logic and algebra and also if the student isn't
great at the logic part they have a stepping stool to help them.
 
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