Pasiones, piojos, dioses-- y matemáticas

¿Qué son las matemáticas? ¿Para qué sirven? ¿Por qué es importante conocer su historia? Estas son algunas de las preguntas a las que da respuesta esta obra que nos narra de forma concisa la historia de esta ciencia desde la Prehistoria hasta nuestros días. Pero esta narración no es solamente una superposición de personajes históricos y de sus felices descubrimientos, sino que es una reivindicación de los componentes emocionales, incluso irracionales, que muchas veces han acompañado las actitudes apasionadas de estos célebres personajes que se han empeñado en buscar soluciones a ...

Read Along or Enhanced eBook: Encourage readers to learn about the various animals that need help and what they can do to make a difference through volunteerism in this inspiring. Spanish-translated nonfiction title. Readers will discover different programs and organizations that work to protect animals, animal habitats, and endangered species through vibrant images and charts and informational text. Featuring a list of helpful and useful websites, this nonfiction title encourages readers to take part in animal activism in any way they can--from baking homemade dog biscuits to exploring...

A simple introduction to the work of teachers, including the different types, equipment used, training, daily life, and other aspects of their job.

How do you truly engage students in learning history? When students make personal connections to the subject, they’re much more motivated to learn. This Spanish book provides firsthand accounts of history that give personal insights into historical events. Students will learn about the culture, history, and distinctive features of the Lakota, Cheyenne, Comanche, Pawnee, Osage, Omaha, and Crow tribes. With a visually appealing layout, this book features captivating text, fun facts, sidebars, and time lines that help students grasp the essential concepts they need to know at their grade level. ...

“Dino” Don Lessem brings readers face-to-face with various dinosaur species, detailing their habitats, way of life and how they became extinct. An acclaimed dinosaur expert, Don Lessem has written more than 30 children’s books, writes a popular dinosaur column in Highlights magazine, and was an adviser for Jurassic Park. Take a trip through dinosaur time to meet these horned dinosaurs face-to-face: Torosaurus had the biggest skull of any animal ever! Pentaceratops had five sharp horns on its head! Styracosaurus was as big as an ice cream truck! Plus, you'll get to know Centrosaurus,...