Marilyn Burns

Dissatisfied with its shape, a triangle keeps asking the local shapeshifter to add more lines and angles until it doesn't know which side is up.

Offers inspiring, practical, classroom-tested ideas for helping students learn mathematics through problem solving.

As two children take a walk with their grandfather, they use their counting skills to help answer a series of animal riddles. Includes related activities.

Text, illustrations, and suggested activities offer a common-sense approach to mathematic fundamentals for those who are slightly terrified of numbers.

Describes when, why, and how people started to measure time and discusses such topics as time zones, biorhythms, and jet lag. Also includes instructions for a variety of related projects.

Events, gags, magic tricks, and experiments to change one from a mathematical weakling into a mathematical heavyweight.

Two children play several games of chance trying to figure out what is mathematically fair.

A young boy learns how important it is to know just how long a minute is. Includes a section with related activities.

Tells the story of three pigs who acquire some magic shapes, which they use for various purposes, some smart and some not so smart. Includes a section with related activities.