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Topic: percents
Replies: 2   Last Post: Sep 26, 2013 6:54 AM

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Bill Marsh

Posts: 350
From: Port Angeles, WA
Registered: 12/22/08
Posted: Sep 25, 2013 10:17 PM
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I am looking back at Joan Moss and Robbie Case's "Developing
Children's Understanding of the Rational Numbers: A New Model and an
Experimental Curriculum," which appeared in the March 1999, Volume
30, Issue 2, Pages 122 - 147

A new curriculum to introduce rational numbers was devised, using
developmental theory as a guide. The 1st topic in the curriculum was
percent in a linear-measurement context, in which halving as a
computational strategy was emphasized. Two-place decimals were
introduced next, followed by 3- and 1-place decimals. Fractional
notation was introduced last, as an alternative form for representing
decimals. ...

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Date Subject Author
Read percents
Bill Marsh
Read Re: percents
Alain Schremmer
Read Re: percents
Alain Schremmer

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