My latest tool for interactive math is GeoGebra. Just started to explore it. A great resource outlining many possibilities is this wiki page by Dr. Linda Fahlberg-Stojanovska. I’m looking forward to using GeoGebra in my math for elementary teachers course as well as my graduate course for high school math teachers.

Math using Google Earth

From time to time, I teach a freshman level course on liberal arts math. In the section on similarity of figures, there are a few exercises about reading maps and estimating distances. My students saw this as a pointless exercise in the age of GPS and Mapquest. And my comments about being stuck with only a paper map in the… Read more →