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,...

Andrés Haraldsen Perestrello acompaña a Colón como secretario. En su compañía seremos testigos de grandes acontecimientos históricos - la conquista de Granada y el descubrimiento de América.

The sun is responsible for all life on Earth, but what exactly is it? Our star is an amazing force that can be as dangerous as it is important. From solar flares to the threat of blowing up altogether, the sun is one of the most interesting things in our solar system. Readers take a trip to the sun to see how it works and exactly what it is made of. They’ll learn about the life cycle of a star and see just how long we have until we have to find a new planet to call home. Don’t worry, they’ll be happy to learn that (hopefully) we have millions of years left!

In one of his works, Barthes wrote; "If I was a writer and I was dead, I would like that my life be reduced through the care of a friendly and confident biographer, to some details ... whose distinction and mobility could be translated out of any destiny."And Calvet has made it.

Rita y Seve, dos niños curiosos que quieren ser científicos, y su mascota el pajarillo Pi te cuentan en este libro todo tipo de secretos para que aprendas mucho sobra el planeta Tierra, el cuerpo humano, el universo, los grandes inventos que ha habido en la Historia (como el televisor o el teléfono), los fenómenos meteorológicos… ¿Sabes… que los delfines tienen una forma peculiar de dormir? cómo se producen los rayos que caen del cielo? cuántos litros de alimentos caben en un estómago normal? cuánta superficie terrestre ocupan los desiertos? a qué saben las nubes? Las...