En el trabajo: Contratistas: Perímetro y área (On the Job: Contractors: Perimeter and Area)

The Grand Canyon is a "grand" place to learn data analysis! Through an examination of its rocks and fossils, students will learn data analysis while reading about a fun-filled trip to Grand Canyon National Park. This Spanish book uses real-world examples to teach math concepts, and incorporates nonfiction reading to increase vocabulary and comprehension skills. The challenging practice problems, graphs, and sidebars provide many opportunities for students to practice their developing math skills, and apply what they've learned to their daily lives. Essential text features like a glossary,...

Until just over 150 years ago, northern Mexico extended thousands of kilometers farther than its current border with the United States. Many different indigenous groups flourished in that region before the Conquistadors arrived. What we know about their lives and customs is the result of archeological discoveries and the chronicles of the first Spanish priests and soldiers that had contact with them.

Amphibians can be found all over the world. There are more than 7,500 kinds of amphibians living in streams, rainforests, deserts, and everywhere in between. Many of them are in danger due to a deadly fungus, but help is on the way! Created in collaboration with the Smithsonian Institution, this Spanish book ignites a curiosity about STEAM topics through real-world examples. It features a hands-on STEAM challenge that guides English language learners through every step of the engineering design process. Inspire students to pursue a STEAM career with career advice from a real person working in ...

La Biblia para mí introduce a los niños a sus historias bíblicas favoritas creadas especialmente para captar la atención de los preescolares. La Biblia para mí presenta algunas de las historias del Antiguo y Nuevo Testamento más amadas por los niños como la creación, el arca, el nacimiento de Jesús, los panes y los peces y más. Las distintivas ilustraciones en estilo de caricatura combinadas con una narración vívida y sólida construcción harán de este libro, un tesoro para todo preescolar.

En la sala de los animales africanos de un zoo, hay un león, un avestruz y una cebra. Los dos primeros nacieron en cautividad, y a la cebra la cazaron siendo todavía una cría. No conocen otra vida más allá de sus diminutas jaulas. Pero pronto llega un compañero nuevo, el gorila, que sí ha conocido la libertad en África, adonde quiere volver a toda costa. Este animal les hace ver a los demás que viven encerrados, y les explica lo que es la verdadera libertad.