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Lesson Plan: Paper Cup Mathematics
Go to: http://mathforum.org/pcmi/hstp/resources/papercup/ (opens a new window)
Description: Imagine a discarded paper cup rolling on its side of a flat surface. What geometric shape does the path of the cup form? Students investigate this question and begin the activity by experimenting with paper cups. They devise methods to draw the path of the cup, which may include a compass and straightedge construction. The activity concludes with a problem that requires finding the area of a carousel platform. Student Worksheet 2 includes an investigation using Geometer's Sketchpad.
Technology Type: Sketchpad 
Authors: Jerry Neidenbach
Sue Harvey and Marilyn McArthur
Language: English 
Cost: Does not require payment for use

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Courses: Geometry Circles, Perimeter, area, and volume, Straightedge and compass