Draws attention to shapes we find in the world around us, with a focus on circles, stars and squares.

To earn his knighthood, Radius must find and rescue a missing king. His father, Sir Cumference, and his mother, Lady Di of Ameter, give him a circular medallion (a protractor) that he uses to find his way through a maze of many angles.

Young readers learn about the concept of shape and shape recognition.

The geometric concepts of circles and squares are shown in photographs of wheels, signs, pots, and other familiar objects.

Photographs of familiar objects such as chairs, barrettes, and a manhole cover present a study of rounded and angular shapes.

How should a democracy choose its representatives? How can you stop a pandemic from sweeping the world? How do computers learn to play Go, and why is learning Go so much easier for them than learning to read a sentence? Can ancient Greek proportions predict the stock market? (Sorry, no.) What should your kids learn in school if they really want to learn to think? All these are questions about geometry. For real. If you're like most people, geometry...