A drive to recycle cans on Earth Day teaches the children of the Maple Street School Save-the-Planet Club about place value.

This high-quality Spanish-language book can be enjoyed by fluent Spanish speakers as well as those learning the language, whether at home or in a classroom. The MathStart series has sold over 1.5 million copies and combines math with fun stories that have real-life applications. In El Ascensor Magico, a Level Two MathStart, children learn how to subtract using a simplified “number line." Pasea junto a Ben mientras resta pisos para llegar a la...

This high-quality Spanish-language book can be enjoyed by fluent Spanish speakers as well as those learning the language, whether at home or in a classroom. The MathStart series has sold over 1.5 million copies and combines math with fun stories that have real-life applications. In Jacob el constructor, a Level One MathStart, Math becomes child's play as young readers are introduced to the skill of counting on, a first step toward mastering addition....

An old map leads the members of the Elm Street Kids' Club to a buried time capsule.

A surprise birthday party planned for a kangaroo by his friends provides many opportunities for the reader to add and multiply various things.

While performing an energetic gymnastic routine, Zoe demonstrates such spatial opposites as on and off, inside and outside, and over and under.

Readers are introduced to the concept of probability in a story about a boy who has a day in which nothing goes right.

As he asks more and more friends to join him for lunch, Turtle mut make up sets of dishes to accommodate them.

A group of animal friends have fun at a pajama party while demonstrating activities that happen in a particular order or sequence.