geometry

Introduces different shapes in illustrations and appropriate descriptive words in English, French, Spanish, and Italian.

Sir Cumference, Radius, and Sir Vertex search for Edgecalibur, the sword that King Arthur has hidden in a geometric solid.

Sir Cumference, Radius, and Sir Vertex search for Edgecalibur, the sword that King Arthur has hidden in a geometric solid.

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.

Photographs, diagrams, and simple text describe what spheres are and various objects that are spheres.

Photographs, diagrams, and simple text describe what cubes are and various objects that are cubes.

Photographs, diagrams, and simple text describe what pyramids are and various objects that are pyramids.

Identifies the various shapes inherent in many common objects, animals, and foods.

Color illustrations and brief text introduce young children to basic shapes.

Provides facts about leaf cutter ants, and looks at how the shapes cut out by the ants correspond with shapes found on spiders, butterflies, weevils, and other insects.