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,...

Suggested age: 4 years old. Thirteen poems for the very young. As everyone knows, anything can happen in the world of poetry: the elephant has gray secrets, ships sail in a sea of sawdust, two saws dance tango together.

Provides encouragement and advice for facing life's challenges, just for girls, with blank spaces to fill in goals and accomplishments.

Una completa exposición histórica y crítica del concepto de alegoría que combina el rigor analítico de la filología y la estética comparada, componiendo también en su conjunto una teoría simbólica de la literatura.

Reveals the truth about cannibalism in pre-Columbian America, avoiding sensationalism and opting for historical accuracy on a matter that has been subjected to all sorts of misinterpretations as well as mistaken beliefs.