Apuntes de matemáticas

Con sus ilustraciones coloreadas y divertidas, Bichos propone una visita del fascinante mundo de los insectos y de los otros bichitos. Aprender un poquito más sobre este tema es como pescar peces en un barril. ¿Listo para descubrir el pequeño mundo de los bichos? Las estampas interactivas de la colección Caja de cartas estimulan el desarrollo del vocabulario del niño mientras divertirse. Realizado en francés, en inglés y en español, son también una buena manera de iniciarse a otras idiomas, y permiten aprender la buena pronunciación de las palabras con la narración. Al final,...

A land of extremes, from active volcanic peaks to dense rain forests, Guatemala has sustained great civilizations and attracted foreign conquerors. While shadows of its vicious, decades-long civil war still linger, Guatemala's people work toward peace and stability in the face of corruption and impunity. Illuminating photographs, insightful facts, and informative sidebars help the reader discover what it's like to live in today's Guatemala, its ancient beginnings, dramatic landscape, rich culture, resilient people, and more.

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. Theyll 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. Dont worry, theyll be happy to learn that (hopefully) we have millions of years left!

This book tells the story of farmers and life on a farm. What do farmers do? What tools and equipment do they use? Who helps them? Livestock, crops and daily chores are perfectly captured in descriptive photography. With full-color, full-page photographs throughout plus straightforward and engaging text, the I Want to Be ... series is an appealing introduction to a broad spectrum of occupations. The series gives young children a realistic insight into the working day of adults. Easy-to-read captions and color photographs of women and men from different cultures help children understand what's ...