Wednesday, August 20, 2014

Tuesday, August 19, 2014

Math is Fun!!!!

There is no need to hold off complicated plotting for higher grades. Young students can learn a lot while playing and exploring with GeoGebra. Here is just a little sample. Have fun!

Tuesday, August 12, 2014

Warm Up Your Brain for September

Can you recreate this?
Can you determine parametric equations for the boundary of the painted region?
It is time to start exercising brains for the start of a new school year!

This file involves two points rotating around a triangle, in opposite directions, one of them moving three times as fast as the other. The segment between those two points is one side of an equilateral triangle. The triangle becomes a "paintbrush" and its trace shades in a region.