Leo is confused! Money is everywhere, but he never actually sees any. Then on his birthday, his aunt sends him some cash. What will Leo do with it?
Ava has inherited some money, and she can't wait to spend it! She wants a pair of cool new sneakers, but does she really need them? And where is the best place to buy them?
Marek wants a new kick scooter but he’s got to save up for it! Will Marek manage it—or will he be tempted by new clothes, toys, and treats?
Maya wants some extra money but her parents tell her she has to earn it! So Maya helps tidy up her neighbor’s garage. But it’s harder work than she thought. Will Maya finish the job and earn the money?
During recess, friends learn about place value by working together to add and subtract by tens on the playground at school.
This title introduces basic concepts related to exchange and markets, including how communities meet challenges caused by scarcity, and factors that influence pricing. Readers are encouraged to look for examples of the goods and services produced and provided in their local communities.
From time of day to reading calendars, time concepts are part of daily life. Children will love this colorful and easy-to-understand introduction to the concepts of time. Amazing full-color images and useful, instructional text guides ensures readers understand the material.
Mr. Santiago's class is going to the zoo. Children can follow along on the class trip and learn how percentages, ratios, and fractions work using real-life examples.
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.
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.
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!
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.
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.
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.
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.
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.
Fun pictograms and infographics about the animal kingdom make learning about math topics such as symmetry, coordinates, and place value easy and fun. In this book, readers go on a mission to some of the worlds amazing habitats and use their mathematical skills to track tigers, count penguins, and search for jaguars. Math puzzles and exercises help children build confidence in their math skills.
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.
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.
Fun pictograms and infographics about space make learning about math topics such as angles, decimals, and probability easy and fun. In this book, readers are in control of a space mission through the Solar System and use their mathematical skills to navigate past comets, dodge asteroids, and land on the surface of Mars! Math puzzles and exercises help children build confidence in their math skills.
Fun pictograms and infographics about the human body make learning about math topics such as bar charts, percentages, averages and fractions easy and fun. In this book, readers go on an amazing mission inside the human body and use their mathematical skills to check their diet, test their strength, and chart their growth. Math puzzles and exercises help children build confidence in their math skills.
Fun pictograms and infographics about planet Earth make learning about math topics such as volume, scale diagrams, division, and number lines easy and fun. In this book, readers go on a mission to protect threatened areas around the world and use their mathematical skills to measure geysers, protect forests, and check on glaciers. Math puzzles and exercises help children build confidence in their math skills.
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 five-fold 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.
We measure time in minutes, hours, days, weeks, months, seasons, years, and in historical dates. We talk about mealtimes, bedtimes, school times, holiday times, and good times. We also use words such as past, present, future, next, last, before, and after. This engaging book looks at human time as well as how time passes in nature. Time is about change. How do animals and plants sense changes in time? What changes do we see in nature throughout a day, month, and year?
This interesting new book provides essential information with plenty of full-color images to help explain the basics of importing and exporting in a global economy. Aspects such as importing and exporting regulations are carefully and easily explained in this latest Crabtree title.