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

Apartments, houses, log cabins, and houseboats are all kinds of homes, though they can look vastly different. Around the world, families settle into homes that can look quite different than these, yet serve the same purpose: to shelter. This volume will capture readers' imaginations, allowing them to view various types of homes, including the yaodongs of China and Queenslanders of Australia. Beautiful photographs serve to illustrate both architectural and cultural concepts.

An elementary introduction to the workings of the human body, the skeleton, skin, circulation, and nervous system.

Leo con Alex es un eficaz instrumento pedagógico para enseñar a leer y escribir a través de los sonidos. Tiene como personaje central al robot Alex J-7, que después de un viaje galáctico aterriza en el "Bosque de los sonidos", donde encuentra multitud de amigos que le ayudan a descubrir los sonidos, el conejo, el búho, el koala, etc. Las aventuras de Alex y sus amigos, llenas de magia, misterio y sorpresa, provocan en los niños el interés por el desarrollo de cada una de sus historias y les motiva en el aprendizaje de los fonemas. El proyecto lo componen varios materiales destinados a ...

"Some things are so huge or so old that it's hard to wrap your mind around them. But what if we took these big, hard-to-imagine objects and events and compared them to things we can see, feel and touch? Instantly, we'd see our world in a whole new way." So begins this endlessly intriguing guide to better understanding all those really big ideas and numbers children come across on a regular basis. Author David J. Smith has found clever devices to scale down everything from time lines (the history of Earth compressed into one year), to quantities (all the wealth in the world divided into one...