Investigating Geometry Summary

Monday - Friday, July 2 - 6, 2012

We started the week with introductions. The group is a nice combination of middle school and high school teachers all very interested in finding various active approaches to teaching geometry. One of the things we plan to focus on during our three weeks together is the idea of producing a product to be used in our classrooms involving a topic or topics grounded in the CCSS. One topic of interest is transformations because of the emphasis on transformations in the CCSS.

We spent some time looking over the CCSS document and discussing the scope, sequence, and depth of the topic at each grade level. We also spent time finding tasks using transformations and talked about hands-on investigations and dynamic software like The Geometer's Sketchpad, GeoGebra, and Cabri. Each day Jim would come up with investigations for us to look at, find a hypothesis, and justify and then give us time to work on applications that we could use with our students. We ended the week working as one large group thinking about a game to use with students involving transformations. We may form two groups (middle school teachers and high school teachers) to work on appropriate "game cards" for each level.

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This material is based upon work supported by the National Science Foundation under DMS-0940733 and DMS-1441467. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation.