triangle

Simple text and pictures of common, everyday objects introduce the shape of the triangle.

Basic concepts of triangles are revealed through paper-folding activities.

Simple text and illustrations show triangles in everyday objects.

Full-color illustrations and simple rhyming text teach young readers about triangles.

Uses a variety of activities to introduce the many types of triangles we encounter in everyday life.

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

Simple text and photographs reveal different triangles that can be found in the city.

Photographs and simple text describe various objects that are shaped like triangles.

Simple text and pictures explore triangles, pyramids, and where they appear in the world around us. Includes activities such as making a paper pyramid and creating other shapes from triangles.

Introduces triangles through a combination of theory and problems.