Aviones del pasado (Planes of the Past)

Sesenta autores, desde catedráticos de universidad hasta estudiantes de Secundaria y Bachillerato, nos presentan los cuarenta desafíos que la Real Sociedad Matemática Española propuso con motivo de su centenario.Son cuarenta estimulantes retos que avivan el ingenio. Enfrentándose a ellos, el lector se sentirá un auténtico investigador matemático.Pero no hay que asustarse. No es necesario saber muchas matemáticas. La herramienta esencial para resolver los desafíos es pensar ordenadamente.

Aligned with school learning programs, Little Issue is an educational magazine that introduces children to science, helps them learn to read, and raises awareness about disabilities and genetic diseases. Little Issue is intended for children aged 6 and up. It is published quarterly. In South Africa, the English version is distributed free to partner schools. Little Issue is also available in French and Spanish, distributed free of charge in schools and to hospitalized children.

Book Features: • Ages 5-8, Grades K-2 • 24 pages, 8 inches x 8 inches • Simple, easy-to-read pages in Spanish with full-color pictures • Includes a glossary, index, and an engineering design activity • Supports NGSS Problem-Solving Designs: In Mi Biblioteca de Ingeniería: Diseño y Construcción para Ayudar, kindergarten—second graders learn about some of the most fascinating designs that help people every day! Engineering Made Fun: Engineers solve problems to help society function better. Young readers learn about some of the amazing designs and inventions created to help people ...

Through innovation and imagination, savvy entrepreneur Richard King became a towering figure in the Texas cattle industry. The King Ranch, which continues to flourish today, is a symbol of his enduring legacy.