Wheels, clocks, coins, balls, and buttons; circles are one of the basic geometric shapes, and they can be seen everywhere. In a book bursting with color and cheer, students can learn the fundamental properties of circles. Terms such as sector, chord, and arc are clearly defined. Hands-on activities demonstrate how to find the radius, diameter, and area of a circle. With this lively guide, kids can avoid spinning their wheels and get on the road to becoming geometry pros.