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

Landsat satellites orbit the Earth to get images. Learn how these images are made using heat. Then, find out how these cutting-edge satellites are helping save the planet! 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 a STEAM field. Discover engineering innovations that solve...

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,...

Con imágenes familiares, textos sencillos y piezas para quitar y poner en cada página, este libro de primeras palabras ayudará al desarrollo del vocabulario de tus hijos. With familiar images, simple texts, and pieces to place and remove on each page, this book of first words will help develop children's vocabulary.

Lo que al principio no saben estas gemelas es que alterar sus hábitos alimenticios para cumplir un pacto les hará mucho daño, pues ser comedora compulsiva o anoréxica no es un juego. Sólo la atención médica y el apoyo de sus padres las ayudará a salir adelante.

Hay dos cosas que son ciertas aquí, ahora y siempre. La primera es que la historia la oficial, la de mayúsculas reverenciales la escriben los ganadores. La segunda es que esa historia no soporta el sentido del humor ni las paradojas, es decir las verdades a secas. Basta con que brinque un dato ignorado por los redactores de turno, las palabras inocentes de alguien que recuerde su infancia, un recorte amarillento, para que la Historia se convierta en caricatura de sí misma y los próceres, mártires y grandes gestas sean materia de guiñol. La consecuencia de aplicar el humor a la historia...

Aprenda los nombres de los animales en el zoológico y también practique los números. (Learn the names of the zoo animals and practice counting, too!) Children love to visit the zoo to see all of the animals. Now children can walk through the zoo and count from one to ten with lions, monkeys, elephants, kangaroos and more! Young readers will recognize word patterns and find it easy to read along to this vibrantly-illustrated book. And, aspiring mathematicians will count from one to ten and start to recognize number words, too! Learn simple English words and phrases with the corresponding...