In chapter 4 of the math adventure novel
Math and Magic in Wonderland, we draw circles, find their centers, understand what Pi really represents, and learn about the "rabbit trails" that famous scientist followed. Kids always do great with geometry because it is so easy to visualize. I bought my twins new compasses in the "back to school" section of a local store (only about a dollar!) and they spent a lot of time making circle art and investigating the properties of circles...
