Search Results: 94 books from 1 publisher. Learn more

Line, Bar, and Circle Graphs

Claire Piddock (author)

Publisher: Crabtree Publishing Company ISBN: 9780778791560

Lily, the librarian, has started a summer reading club. Children can follow along with the club's members to learn all about bar, line, and circle graphs, as well as concepts such as data, scale, maximum, and minimum.

Stone Age Geometry: Lines

Felicia Law Gerry Bailey (author)

Publisher: Crabtree Publishing Company ISBN: 9781427182340

Leo teaches his cat Pallas all about lines by applying his knowledge of geometry to their Stone Age world. Funny illustrations and stories provide a humorous introduction to math concepts. Leo explains the significance of points and how many points together make up lines and segments. Information boxes accompany each story to explore real applications of lines in the natural and designed world.

What is Supply and Demand?

Paul Challen (author)

Publisher: Crabtree Publishing Company ISBN: 9781427163738

The concept of supply and demand is made easy in this fascinating new title! Look inside What is Supply and Demand? and learn the ins and outs of this fundamental concept of economics.

3-D Shapes

Marina Cohen (author)

Publisher: Crabtree Publishing Company ISBN: 9781427194985

A grocery store is filled with much more than food. The aisles and shelves hold plenty of fun, too. As Justin helps his mother shop, he explores the variety of 3-D shapes all around him. As Justin can show you, there are always plenty of shapes to see!

What Is Motion?

Natalie Hyde (author)

Publisher: Crabtree Publishing Company ISBN: 9781427190161

Motion is a change in an objects position. This fascinating title explains in a clear, simple way how objects are moved by a change in energy. Simple activities show young readers how energy is changed by applying a force, either by coming in contact with an object or by a force that does not touch it physically, like gravity.

Addition

Paul Challen (author)

Publisher: Crabtree Publishing Company ISBN: 9780778797630

This entertaining book takes young readers to a soccer practice to show them the basics of addition. Easy-to-follow text helps children learn about addition words and symbols, strategies for adding up to 10+10 and beyond, the additive identity and commutative property in addition, and how to use objects, pictures, and number sentences to represent real-life addition problems.

Dinosaur Numbers

David West (author)

Publisher: Crabtree Publishing Company ISBN: 9781427193223

Four hungry Torosauruses are chasing three fast Mynonykuses. One of them is not going to get lunch! Kids will love counting dinosaurs in this exciting book about numbers.

Comparing Fractions

Minta Berry (author)

Publisher: Crabtree Publishing Company ISBN: 9781427196460

This engaging title builds on the material covered in the Fractions title in this series. Readers will develop an understanding of fractions as numbers. Easy-to-follow text and supportive images help readers recognize and generate equivalent fractions. Readers will also learn how to compare two fractions with the same numerator or the same denominator and represent fractions on a number line.

Time Word Problems

Lisa Colozza Cocca (author)

Publisher: Crabtree Publishing Company ISBN: 9781427191977

Engaging narrative, vivid photographs, and real-world examples combine to teach readers how to solve time word problems. Readers will learn how to measure time intervals in minutes and represent authentic time problems on a number line diagram.

Building Sets of Ten

Minta Berry (author)

Publisher: Crabtree Publishing Company ISBN: 9781427196484

Understanding how to make ten is a key building block in the base-ten system. In this engaging title, young readers explore different number combinations that make up the number ten. Easy-to-follow text and colorful images introduce readers to the concept of a fact family and related facts. The text also models how readers can use their fact family knowledge to solve missing addend questions that equal ten.

Calendar Math

Lisa Colozza Cocca (author)

Publisher: Crabtree Publishing Company ISBN: 9781427191960

Calendar Math provides an ideal introduction to measuring time. From the days of the week to months of the year, readers will learn the different ways a calendar measures time. Vivid full-color images and entertaining narrative text model concepts such as patterning, comparing and contrasting, and solving simple problems.

Patterning

Minta Berry (author)

Publisher: Crabtree Publishing Company ISBN: 9781427196491

This entertaining title introduces young readers to the concept of patterning. Readers will learn that a pattern is an ordered set of numbers or shapes arranged according to a rule. Accessible text and vivid images guide readers as they learn to identify patterning rules and extend patterns. Readers are also encouraged to create their own patterns and recognize patterns in the world around them.

Stone Age Geometry: Circles

Felicia Law Gerry Bailey (author)

Publisher: Crabtree Publishing Company ISBN: 9781427182326

Leo teaches his cat Pallas all about circles by applying his knowledge of geometry to their Stone Age world. Engaging illustrations and stories provide a fun introduction to math concepts, including tangents, ellipses, and more. Information boxes accompany each story to explore real applications of circles in the natural and designed world.

Stone Age Geometry: Cubes

Felicia Law Gerry Bailey (author)

Publisher: Crabtree Publishing Company ISBN: 9781427182333

Leo teaches his cat Pallas all about cubes by applying his knowledge of geometry to their Stone Age world. Funny illustrations and stories provide a humorous introduction to math concepts. Information boxes accompany each story to explore how scientists, architects, and artists have all been inspired by the cubes form and how cubes are applied in the natural and designed world.

Stone Age Geometry: Spheres

Felicia Law Gerry Bailey (author)

Publisher: Crabtree Publishing Company ISBN: 9781427182357

Leo teaches his cat Pallas all about spheres by applying his knowledge of geometry to their Stone Age world. Entertaining illustrations and stories provide a fun introduction to math concepts, including radius, circumference, and diameter. Information boxes accompany each story to explore real applications of spheres in the natural and designed world.

Stone Age Geometry: Squares

Felicia Law Gerry Bailey (author)

Publisher: Crabtree Publishing Company ISBN: 9781427182364

Leo teaches his cat Pallas all about squares by applying his knowledge of geometry to their Stone Age world. Funny illustrations and stories provide a humorous introduction to math concepts, explaining how lines and angles of equal size form squares that frame, support, and enclose. Information boxes accompany each story to explore real applications of squares in the natural and designed world.

Stone Age Geometry: Triangles

Felicia Law Gerry Bailey (author)

Publisher: Crabtree Publishing Company ISBN: 9781427182371

Leo teaches his cat Pallas all about triangles by applying his knowledge of geometry to their Stone Age world. Entertaining illustrations and stories provide a fun introduction to math concepts, explaining that different shapes created by the meeting of three lines are given different names. Information boxes accompany each story to explore real applications of triangles in the natural and designed world.

Changing Direction

Natalie Hyde (author)

Publisher: Crabtree Publishing Company ISBN: 9781427190178

How do you change the direction of a moving object? This entertaining book explains how forces can change the direction of an object in motion. Simple explanations and activities help children understand the science behind forces.

Pushing and Pulling

Natalie Hyde (author)

Publisher: Crabtree Publishing Company ISBN: 9781427190185

How do you move objects from one position to another? This fun book explains how a force, such as a push or a pull, can put an object in motion. Simple activities show how a force can move an object that is not moving or stop one that is.

Speeding Up, Slowing Down

Natalie Hyde (author)

Publisher: Crabtree Publishing Company ISBN: 9781427190192

How do you change the speed of a moving object? This interesting book explains how forces, such as friction, and the mass of an object, can change the speed of an object in motion. Simple activities help children understand such concepts as acceleration and deceleration.

Does it absorb or repel liquid?

Susan Hughes (author)

Publisher: Crabtree Publishing Company ISBN: 9781427190260

What materials will keep you dry on a rainy day? What materials will help you clean up a spill? Child-friendly examples and vibrant photographs support readers as they explore how different materials respond to liquids.

Does it sink or float?

Susan Hughes (author)

Publisher: Crabtree Publishing Company ISBN: 9781427190253

Vibrant photographs and accessible text introduce young scientists to the concept of density. Readers are encouraged to explore what makes some objects float and others sink.

Is it hard or soft?

Helen Mason (author)

Publisher: Crabtree Publishing Company ISBN: 9781427190277

This engaging title introduces readers to materials that are either hard or soft. Using familiar examples, readers learn what makes hard and soft objects different and why they are suited for different purposes. Easy-to-understand text and colorful photos invite young readers to identify and classify hard and soft things around them.

Is it natural or human-made?

Helen Mason (author)

Publisher: Crabtree Publishing Company ISBN: 9781427190246

This engaging title helps young scientists identify, compare, and contrast natural and human-made materials. Child-centered text and vibrant images combine to clearly explain the properties and uses of these materials.

What is symmetry in nature?

Bobbie Kalman (author)

Publisher: Crabtree Publishing Company ISBN: 9781427194978

Mathematicians say that symmetry has to be identical parts, but nature is never truly identical. However, it is far more interesting than geometric shapes! Reading this book, children will become aware of the balance of things in nature. They will delight at amazing photographs of butterflies, beetles, leaves and flowers, fruit, sea creatures, and children. This book will show how a person with arms outstretched has fivefold symmetry like a sea star, and if you drew a circle around his or her body in that position, the navel would be at its center.