Mira cómo nosotros usamos números, marcas de conteo y tablas para compartir información acerca de cosas que a nuestras familias les gusta hacer.
¡Aprende a contar con tus frutas favoritas!
¡Mira y cuenta animales que viven en la sabana! ¡Tú también puedes comparar los números!
Aprende a contar con animales de todo el mundo.
¿Dónde está la manecilla grande? ¿Dónde está la manecilla pequeña? Aprende a decir la hora en un reloj.
Si una araña tiene ocho patas, ¿cuántas patas tienen dos arañas? Practica contando y sumando todo tipo de patas de animales.
Pasea por la ciudad. Aprende a estimar y comparar.
Practica tus destrezas de contar y decir la hora con tus deportes favoritos.
Cada página es un desafío divertido. Primero tú tienes que buscar los objetos. Luego tú puedes sumarlos.
¿A qué hora comes? ¿A qué hora juegas? Aprende a decir la hora durante el día.
Taking bar graphs in a different direction, this title shows readers how symbols can represent numbers. Readers will explore books in different ways, including the number read by many groups at one point in time, different types of books read, and books read by one group over several months. Readers are encouraged to make their own pictographs through activities.
This colorful title introduces readers to bar graphs through multiple examples focused on the theme of a party. Readers can also complete activities and are given suggestions for further exploration of the topic.
Using everyday examples such as pizza toppings, the playground, and flowers, this title introduces readers to the basics of pie graphs. Activities reinforce the concepts taught.
Designed to introduce readers to how graphs tell stories. Readers will see bar, line, pie, and pictographs, as well as tally charts, and be encouraged to read the stories graphs tell and create their own stories. Activities build on the material presented.
Readers will discover line graphs through examples that include waiting to ride a roller coaster, recording sales at a lemonade stand, and counting clouds. Colorful graphs teach readers, while fun illustrations keep their attention. Activities help readers explore the topic further.
This fun book uses examples familiar to readers to get them counting using tally charts. Topics include snacks, pets, and how readers and their classmates get to school. Activities encourage practicing making tally charts.
The focus of the book is on motion and forces. The reader is encouraged to make predictions, perform purpose-driven research, and creatively solve problems presented about motion and forces.
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.
The business of borrowing is the cornerstone of an economy. How do Mortgages, Loans, and Credit Work? explains clearly the different kinds of financial borrowing and their uses.
This book carefully explains how countries around the world engage in trade. Whether it is a detailed description of how countries negotiate trade agreements, how countries use tariffs to make buyers want to buy locally produced goods, or the extremes of using trade embargoes as political tools, this book provides essential information with plenty of full-color images to help explain the basics of trade in a global economy.
Children are consumers, too, though they often do not realize it. This strikingly illustrated book helps youngsters understand the concepts of goods and services so that they recognize their role in the cycle of commerce. Readers will examine various jobs to understand where goods are made or services are provided. The concepts of producers and consumers are also carefully explained in a manner children will understand and enjoy.
This is a volume designed to inform children what taxes are and why they are needed. Emphasis is placed on how taxes provide the funds needed to keep governments running, from local to federal levels. Young readers will understand how taxes are used to dissuade people from buying some items, such as cigarettes and gas-guzzling vehicles. Attractive color images help de-mystify this fascinating and important aspect of government.
This book describes resources to younger readers, including capital resources and natural resources. Emphasis is placed on how most resources are of limited supply, so producers and consumers must make choices when things they want or need become scarce. An impressive array of full-color images enhances the reading experience.