Icelandic 5th grade girls developmental trajectories in proportional reasoning. Paper submitted for publication

Understanding of ratio and proportion is critical to the development of higher level mathematical skills. Following Carpenter, Gomez, et al.’s (1999) proposal of a four-level trajectory in the development of proportional reasoning, a 12-week investigation was undertaken of the developmental trajecto...

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Bibliographic Details
Main Authors: Olof B. Steinthorsdottir, Bharath Sriraman
Other Authors: The Pennsylvania State University CiteSeerX Archives
Format: Text
Language:English
Published: 2007
Subjects:
Online Access:http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.526.8120
http://www.merga.net.au/documents/MERJ_21_1_Steinthorsdottir.pdf