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Richardson, Kerri; Schwartz, Catherine Stein; Reynolds, Anne – International Journal for Mathematics Teaching and Learning, 2010
In this article we discuss an open-ended problem involving quadrilaterals that we continually offer each semester. The task has been posed to undergraduate and graduate students in methods and problem solving classes. The task involves drawing all possible four sided figures with corners at the dots. A four by four array of dots is included in the…
Descriptors: Graduate Students, Problem Solving, Geometry, Problem Sets