Desafíos matemáticos

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.

Leap into the world of a ballet dancer! In this engaging, Spanish-translated nonfiction book, readers learn about the history of this art form as well as what a ballet dancer does to get ready for a performance. With informational text, vibrant photographs, a sample schedule of ballet dancer's day, a look at ballet positions, and simple, clear text, readers learn about the basics of ballet and that this beautiful art form takes a lot of hard work and dedication.

Students will develop their math skills while engaged in reading about the importance of honeybees. This nonfiction math book combines math and literacy skills, and uses real-life examples of problem solving to teach subject area content. The full-color images, intriguing sidebars, practice problems, and math diagrams make learning place value relevant and fun. Text features include a table of contents, glossary, and index to increase understanding of math and reading concepts. An in-depth problem-solving section provides additional learning and practice opportunities while challenging...

Through bright images, charts and graphs, and informational text, this Spanish-translated nonfiction title provides readers with enlightening facts about what it takes to work in this exciting and unique profession. Featuring a glossary of terms, an index, a list of helpful websites, and an interview with a real-life deep-sea fisher, children will be engaged from cover to cover!

Este libro es una divertida herramienta para entender mejor los pasajes del Evangelio, como las Bienaventuranzas, y comprobar que son muy actuales.