As a teacher this is an interesting exercise becuase it is very visual and interactive, but it also forces students to think about the shapes and how they change as you gradually truncate more and more vertices creating more complex shapes. From the students point of view, I think this exercise would represent a nice change of pace from work with numbers and symbols and instead spending a class thinking geometrically and only needing simple calculations. Its a different kind of mathematical thinking that allows a different discourse within the classroom.
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