El mundo como un juego matemático

Read Along or Enhanced eBook: Find out what surfers need to know to have fun and stay safe in the water in this engaging, Spanish-translated nonfiction title! Invite readers to learn about the history of surfing, surfing culture, what equipment is needed, and more using vibrant images and informational text in conjunction with math skills and upper-level features such as chapter format, a glossary of terms, and an index.

Resumen La pena de muerte debe aplicarse debido a múltiples ventajas, argumentos que los abolicionistas se han esmerado en pasar por alto. Es urgente llevar a cabo esta sanción ya que los entes cancerígenos de la sociedad deben ser erradicados para que los problemas sociales no se sigan expandiendo. Sin embargo esta pena debe aplicarse bajo ciertos criterios, es decir en casos extremos y siempre y cuando las autoridades y órganos policíacos hayan desaparecido. La pena de muerte representa el más elemental derecho de legítima defensa social. Palabras clave: A favor de la pena de muerte, ...

As a land that’s constantly in flux, Earth sometimes reveals clues about the plants, animals, and other organisms that lived long ago. Fossils teach us much about what life was like millions of years ago, answering the questions of how Earth changed and maybe even why it changed. This essential Earth science topic is thoroughly explained through manageable text, fact boxes, informational charts and diagrams, and a glossary and index. Readers will become young Earth detectives by the time they’re through with this text!

People have been sending mail for a long time. But how they do it has changed a lot! Read about the history of mail as you learn to collect data. This Spanish math book combines math and reading skills and uses real-life examples of problem solving to teach subject-area content. The dynamic images, detailed sidebars, practice problems, and math diagrams make learning data measurement easy and fun. Text features include a table of contents, a glossary, an index, and captions to build vocabulary and increase understanding of math and reading concepts. An in-depth problem-solving section...