Student Work from Shapes and Designs, Problem 2.2

Angle Sums of Any Polygon

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Purpose

This student work can serve as a guide for planning, teaching, assessing, and reflecting on the mathematics of this Problem. The work can be downloaded for teachers to examine during planning time, for use in a collaborative meeting, or for use in professional development activities.

Also, this student work can be used with students as an extension of the thinking already presented in Problem 2.2. This strategy can deepen students understanding of polygons and their shapes. It is interesting to note that the different examples of student thinking presented in Problem 2.2 may have prompted one student to explore the possibilities of other strategies.