circle

Simple experiments illustrate the concept and characteristics of the circle.

All around are round things such as a doughnut, a button, a coin, cookies, and the spots on a wee ladybug as the townspeople prepare a feast for their king.

Rolie Polie Olie, a round robot living on a planet where everything is round, enjoys a busy day with his family and then is too wired to go to bed at night.

A little boy and his father go for a walk and find circular shapes in everything they see and do.

Introduces the geometric concepts of circle and square through common objects such as tires, windows, and boxes.

Presents experiments demonstrating properties of circles and loops made of cloth, paper, and string.

The geometric concepts of circles, triangles, and squares are demonstrated in photographs of bubbles, windows, stacks of pipes, tires, boats, and other objects.

Pairs of circular shapes convey opposite relationships in the arc of a day.

Color photos without text feature objects that are round.

Radius, son of Sir Cumference, embarks on a quest to find the magic number known as pi in order to restore his father--who has been turned into a dragon--to his original shape.