La fiebre del oro

Take a trip to the British Museum as you explore its fascinating objects and geometric shapes! This famous London museum was built for exploration - and for learning geometry. Learn about its history and artifacts as you build your geometry skills. This Spanish math book seamlessly integrates the teaching of math and reading, and uses real-world examples to teach math concepts. Text features include images, a glossary, an index, captions, and a table of contents to build students' vocabulary and reading comprehension skills as they interact with the text. The rigorous practice problems,...

Rain, sunshine, warm fronts, and cold fronts. Have you ever listened to a weather report? Knowing the weather can help us plan ahead. But reporters aren’t the only ones who can track weather. You can, too! This nonfiction Spanish book explores the subject of meteorology in depth, and introduces students to important scientific concepts and vocabulary like anemometer, barometer, air pressure, warm front, cold front, rain gauge, probability, Celsius, Fahrenheit, and more. The colorful images, diagrams, sidebars, and text features will keep students connected to the text. Aligned to state and...

Over the years, people have looked for ways to improve our imperfect sight. This has led us to the world of optics, which is the study of light and how it travels. What are some of these innovations that have changed how we see the world, and how do they work? Find the answers to these questions with this Smithsonian Informational Text! Created in collaboration with the Smithsonian Institution, this text builds students' reading skills while engaging their curiosity about STEAM topics through real-world examples. It features a hands-on STEAM challenge that guides students through every step...

En la corte cordobesa del califa Al-Haken ii se ha producido un terrible suceso: Sudri, el eunuco favorito del califa, ha aparecido muerto.Todos los indicios apuntan a un joven mozárabe, Rodrigo, como único culpable; sin embargo, el médico Hantal Idrissi y su hijo comenzarán una investigación que destapará traiciones, odios y venganzas. Una novela de intrigas enclavada en el ambiente de la Córdoba califal.

Escritor, docente y periodista, Silveyra rescata de la propia escuela "semillero de historias y anécdotas" lo mejor del folclore infantil y lo vuelca en estas páginas, colmadas de ingenio y buen humor.

Discusses the origins of tomatoes, the many different kinds, their uses in Latin America, their spread throughout the world, and tomato festivals.

Libros de actividades, llenos de originales y divertidas ideas. A través de la realización de distintos tipos de manualidades con materiales fáciles de hallar, estos libros desarrollan el sentido estético del niño y estimulan su creatividad. Este libro propone ideas para decorar, jugar y sorprender tomado como base huevos previamente vaciados. Con la ayuda de otros materiales -- cartulinas, pinturas, pegatinas, plastilina, confeti, etc. -- y siguiendo los pasos propuestos con claridad y sencillez se obtienen resultados espectaculares.