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.

Los escritos de Conchita Bermejo Jiménez han sido publicados como homenaje a la autora. Varios de ellos, muy pocos, habían sido publicados; algunos habían recibido - hace más de cuarenta años- premios muy importantes en su momento, pero nadie podía imaginar que Conchita tuviese guardadas en sus carpetas tantas páginas repletas de belleza, sensibilidad e inteligencia.

Henna is more than an ancient art form. It is a symbol of hope. Explore the meaning of henna. Learn the basics, and then design your own henna patterns. Are you ready to get started? This full-color nonfiction reader will engage students in reading while introducing them to new vocabulary terms and concepts. Important text features include a glossary and a table of contents to develop students' comprehension and literacy skills. This Spanish book aligns with national and state standards and features exciting TIME For Kids content to keep English language learners engaged in learning.

Everyone has times when they feel shy. Knowing how to recognize when we feel shy is an important tool in self-acceptance. Learn ways in which we can understand ourselves and our friends in this nonfiction Beginning-to-Read book about feeling shy. An early social and emotional learning book with Spanish-only text, including a word list. Perfect for an early introduction to Spanish.

An elegantly illustrated collection of ten favourite Bible stories with an interesting twist. Margaret McAllister imaginatively retells these tales from the point of view of the women involved: Noah's wife, Miriam, Ruth, Mary mother of Jesus, Pilate's wife, Mary Magdalene are among some of the women who put their side of the story forward. A stylish compilation of Bible stories with a difference, this is a perfect gift for girls.