Tag Archives: Dynamic Geometry

Walk Like a Mathematician

Over the weekend, I attended the CMC-North conference at the Asilomar conference grounds. It's my favorite math teacher event of the year.
Photo by Captain Albert E. Theberge, NOAA Corps (retired)
When I was a teacher, the combination of the beautiful, … Continue Reading ››

Classifying shapes into a hierarchy is a 5th grade standard? Really?!

As I recently worked on correlating our materials to the newly released Common Core State Standards, I was surprised to find many of the topics we commonly associate with a high school geometry course placed throughout the standards for elementary grades. I was surprised, but not shocked. In fact, I've believed for a long … Continue Reading ››