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:  Teach Math 
Date:  Oct 1 2004 
helpful information on the conceptual teaching of fractions. They suggest that
students need to know the three meanings of fractions: PartWhole, Quotient
and Ratio and that we must use multiple models for teaching these concepts:
region (pizza), length, set and area. Much of the research suggests that we move
too quickly to engaging students in computing with fractions before they
understand the meanings of fractions.
There are also lesson plans and resources for teaching fractions at
http://www.illuminations.nctm.org.
 
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