Apuntes de matemáticas

Illustrations and text present the history, geography, people, politics and government, economy, and social life and customs of Arizona, the Grand Canyon State.

We often don´t stop to think about the origin of certain foods, but many of the foods we consume today only reached us as a result of great discoveries and the subsequent international commerce between east and west. This book brings us closer to the complex relations between different cultures and shows us the importance of ocean voyages in the development of international commerce.

What does swimming in a pool, drinking through a straw, breathing in air, and circulating blood all have in common? They all require a form of air or water pressure! Readers will discover the variety of ways that air and water pressure make an impact on our lives and the things in them. This fact-filled, Spanish-translated nonfiction title includes real-life examples and basic experiments to aid in the development of understanding physic and scientific concepts. Readers will be introduced to and learn about Archimedes Principle, atmospheric pressure, vacuums, water density, and hydraulics...

Learn how streets are fixed, sidewalks get added, and new schools are built with this Spanish nonfiction book. Perfect for young readers, the book includes a fiction story related to the topic, a glossary, an additional project, useful text features, and engaging sidebars. This 28-page full-color Spanish book describes the many ways individuals can make changes in their communities. It also covers essential civics topics such as leadership and voting, and includes an extension activity for grade 2. Perfect for the classroom, at-home learning, or homeschool, to explore voting, local...