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.

Kawaii: How to Draw Really Cute Animals teaches you how to draw almost 100 different creatures in an adorable manner. Don't believe seagulls and stingrays can be cute? Think again! You don't need any specialist tools or materials to start drawing cute stuff: all you need is a biro or marker pen, then you're ready to go! In her latest book, artist and illustrator Angela Nguyen starts by teaching you the essential techniques of kawaii through quick and easy exercises on the basic shapes, effects and style. From there, jump straight into drawing the myriad beasts - small and big - you can find...

How do countries work together? Running a country requires hard work. There is a lot involved. That includes making laws that help people do the right thing. When leaders work together, their countries benefit. This Spanish book introduces 2nd grade students to the concepts of diplomacy, government, and foreign relations. Detailed images in conjunction with easy-to-read text and basic text features provide readers with an inviting reading and learning experience as they build social studies knowledge.

Beginning readers will enjoy learning how to compose numbers 11-19 with this Spanish book. With vibrant images and easy-to-read text, this full-color text uses a real-world example of building and decorating a gingerbread house to teach math concepts. Students will develop their math and reading skills and be introduced to early STEM themes as they count the candy used to decorate a gingerbread house. The Math Talk section includes questions that will increase understanding of basic math and reading concepts and develop students' speaking and listening skills. Learning math is fun and easy...

El famoso escritor Cósimo Herrera, eterno candidato a un Nobel que no llega nunca, decide retirarse a Ribanova, una pequeña ciudad de provincias apartada y brumosa. Allí conocerá a Luisa, una muchacha veinte años más joven, y que desde el primer momento sentirá por el forastero un amor tan apasionado como imposible.