The number system children will use throughout their lives is based on a place-value system. Understanding the place value system is a foundation to all operations as children progress in… More →

During recess, friends learn about place value by working together to add and subtract by tens on the playground at school. More →

Class 301 has won a real truckload of number cubes. Fractions Frank, the caretaker, has found some boxes that hold different amounts of cubes--ones, tens, hundreds, and thousands. The… More →

Have you ever built something really big with building blocks? Did you need to use hundreds of blocks? Read about an after-school center, where the toys are counted in ones, tens, and… More →

Scientists use different kinds of investigations depending on the questions they are trying to answer. Accessible text and child-centered examples guide readers as they learn to plan simple… More →

Kids love machines that fly! This amazing book explains the basics of how planes and helicopters work. Topics include engines, wings, propellers, fuel, and flying safety. A quiz at the end… More →

In this book, you'll find out where planes go and how people use them. More →

Who knew some plants could hunt and defend themselves. Colorful photos and descriptive text help explain the plant parts and behaviors that make some plants special--and creepy. Amazing… More →

This fact-filled book describes all things plants! With terms like species, photosynthesis, life cycle, and habitat, young readers will gain an understanding of how plants have survived on… More →

Moose is no ordinary dog! When his owner, Frank, leaves for the day, Moose goes to work in the yard. He cuts the grass. He pulls out weeds. He trims bushes. Then he plants a garden filled… More →