Matemáticas en el cinturón de asteroides (Math in the Asteroid Belt)

Mars is perhaps the most thrilling planet these days. With rovers exploring its surface and manned missions in the works, people are wondering if Mars is our next home! In this highinterest book, readers will learn more about Earth's neighbor, including what its climate and surface are like, why it's called the Red Planet, and about the recent discovery of water on its surface. They'll learn all this while solving "Your Mission" math problems that complement and support the text. This motivating volume is an engaging way to explore key aspects of science and math curricula.

Un proyecto con contenidos rigurosos y actividades prácticas, conectado con las nuevas tecnologías para ofrecer el apoyo necesario a los docentes. Tiene el objetivo de construir una ciudadanía crítica y activa, que trabaje por una sociedad más humana, justa y solidaria.

A soldier, a farmer, a governor, and an explorer, Juan Ponce de León made his very first voyage with the famed Christopher Columbus. As an explorer, Ponce de León may be better known for what he didn't discover the fabled fountain of youth than for what he did discover Florida!

Describes jet-powered hydroplane boats, including information on their design and speed. Written in English and Spanish.

Explains the study and teaching of the martial arts, emphasizing the philosophical aspects of this sport.