Aviones y otras aeronaves

Buenas decisiones examina cómo los adolescentes toman muchas de las decisiones de sus vidas; incluso decisiones que pueden ejercer un impacto grande en su futuro. No hay una fórmula «mágica» para hacerlo bien. Tomar buenas decisiones exige sabiduría, y en este libro los estudiantes aprenderán cómo adquirir más sabiduría y aplicarla en las decisiones que hacen.

What were the pyramids for? Who lived in the Forbidden City? When was the World Wide Web invented? Find out in this bright and lively book. Simple text, stunning photographs, detailed illustrations and links to exciting recommended websites introduce young readers to the fascinating world of history.

Tackle today’s toughest races while learning fractions! Marvel as contestants around the world climb, crawl, run, and jump through the world’s toughest marathons and obstacle courses. This Spanish book combines mathematics and literacy skills, and uses practical, real-world examples of problem solving to teach math and language arts content. Students will learn fractions while engaged in reading high-interest content. The glossary, index, and table of contents will further understanding of reading and math concepts, and the full-color images, practice problems, and math graphs and charts...

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