Article Summary

An Analysis of the Use of Graphical Representation in
Participants’ Solutions

Laurel Bleich, Sarah Ledford, Chandra Hawley Orrill & Drew Polly

2006, Vol. 16, No. 1, 22-34

InterMath participants spend time in workshops exploring technology-rich mathematical investigations and
completing write-ups. These write-ups include a written explanation of their problem solving process, screen
captures of files that they generated while completing the investigation and links to these files. This paper
examines the use of graphical representations in write-ups that included incorrect mathematics and/or incorrect
solutions. Our findings indicate that a large number of incorrect write-ups included a graphical representation
for cosmetic purposes, meaning that it was not used to explain or justify participants’ solutions.


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