Conference Session: Exploring Geometry Using Inquiry-Based Activities


Presenter: Susie Lanier, GSU

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Technology: PowerPoint projected on screen. She ran out of copies and said to email her if you didn’t get one.

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Hands-On: Started with a handout (worksheet), a cut-out paper circle, and a square of patty paper. She asked us to find the center of the circle.  There were some awesome questions about area at the end!  I was very engaged.  I really thought she was going to get to incenter/circumcenter/orthocenter, but I suppose that’s not really applicable to middle school.

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What I liked: She teaches pre-service teachers and uses this book http://www.amazon.com/Geometric-Structures-Inquiry-Based-Prospective-Elementary/dp/0131483927  We did lots of constructions without any compasses or straightedges–the paper folding is very intuitive. I hope that if I do this with my students before we get to traditional constructions that it will make more sense to them.

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Interesting points:  The teachers who are participating are very eager to show what they know!