A series of rhymes illustrates different ways to count to 100 such as by adding the ten toes of ten children or ninety-nine train cars plus one caboose.

Three friends play hide-and-seek, varying the way they count to 100 in each game: by ones, fives, tens, and twenties. Includes related activities.

This lively series of concept books is designed to encourage young children to take a closer look at the world around them. Each book explores a different theme and invites children to carry out investigations and experiments of their own.

Uses a variety of picture puzzles to teach the basic geometric concept of shape.

Trouble with her algebra homework leads Julie through a mysterious portal into the Land of Mathematics, where a zebra-like Imaginary Number and creatures representing Periodic Elements help her learn about math and chemistry in order to get home.

Illustrated riddles introduce strategies for solving a variety of math problems in using visual clues.

The same number can seem bigger or smaller depending on the size, arrangement and use of the objects being counted.

"A look at the numbers that surround us, big and small, on earth and in outer space."--Provided by publisher.