Sumando y Restando en el Club de Matematicas

An introduction to the night sky, describing major constellations and the planets of the solar system.

From war and death to school and gender equality, the Sociedad series discusses many serious issues in a way that can be easily understood by children. Although many of the situations and examples are specific to Mexico, these books can be applied to a general readership, particularly one of Hispanic origin. Reflecting on modern sciences, particularly biotechnology—from its limitations to its advances—this perceptive study answers many questions concerning cloning and genetically modified organisms, such as Why do scientists work in these arenas? What are the benefits of this technology?...

El proyecto Brújula globalizado incluye los conocimientos de las distintas áreas del Primer ciclo, partiendo de un mismo centro de interés. Presenta los contenidos de las tres áreas troncales de manera conjunta con un enfoque englobador e integrador. Pretende que el alumno deje de ser un mero receptor de información para convertirse en el verdadero protagonista de su aprendizaje y descubra la utilidad de lo aprendido aplicándolo en su vida diaria.

From art and architecture to politics, philosophy, and mathematics, "western civilization" owes a great deal to the achievements of ancient Greece, but what do we really know about this long-gone civilization? How did geography influence the politics of the Greek city-states? What's the difference between an agora and an acropolis? This book takes readers several thousand years into the past, when independent city-states ruled the Mediterranean Sea, to find the answers. Full-color photographs and maps, accompanied by accessible text, introduce readers to the many contributions the ancient...