Discussion:  Traffic Jam Applet tool 
Topic:  Fractions, concept and calculations 
Related Item:  http://mathforum.org/mathtools/tool/10/ 
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Subject:  RE: Fractions, concept and calculations 
Author:  gerirose 
Date:  Oct 1 2004 
conceptual understanding. And we use lots of pies. However I'm not sure how
much the younger students are actually given fraction pieces (manipulatives) to
use when adding and subtracting. I think they are given lots of diagrams.
We've also been adding to use of fraction pieces work with number lines.
Finding fractions on number lines including mixed numbers, adding and
subtracting on number lines.
 
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