La fiebre del oro

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...

What do churros, macarons, and strudel have in common? In order to bake them successfully, pastry chefs must use fractions! Students will learn comparing fractions while engaged in reading about delectable desserts from around the world. This Spanish book combines mathematics and literacy skills, and uses practical, real-world examples of problem solving to teach math and language arts content. The glossary, index, and table of contents will further understanding of reading and math concepts, and the full-color images, practice problems, and math graphs and charts make learning math easy,...

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,...

The values and traditions of Mexicans at home, school, and work are explored as well as how life differs in urban and rural settings.

Albores del año 1875. Las familias de Luigi y Luigia dejan su caserío alpino y se unen a la marea emigratoria. ¡Les sobraban razones para arriesgarlo todo! En realidad era muy poco lo que dejaban atrás. Sus brazos y sus sueños eran sus mayores y únicos tesoros. Lo demás se daría por añadidura, o no... Junto a Giovanni Battista y Angela se unen a la reciente fundación de la colonia Villa Libertad, en el noreste entrerriano. ¡Todo está por hacerse! El lector está invitado a recorrer el desafiante y apasionante itinerario histórico y biográfico de estas dos familias vénetas en...

Hola, soy Suzy Mako y este es un libro increíble para tu bebé inteligente.Enseñe a los niños pequeños el alfabeto y las primeras palabras. Este libro ayudará a los niños pequeños a entender el alfabeto. El abecedario ABC con el libro de animales está lleno de imágenes. Las fotos son lindas y hermosas. Al final del libro, encuentre juegos para recordar mejor el alfabeto completo. A tus pequeños hijos les encantará este libro.

Juan Ramón Jiménez (1881-1958), premio Nobel de Literatura en 1956, fue un hombre hipersensible hasta extremos enfermizos y esto le llevó a gozar y a sufrir mucho más que la mayoría. Su vida estuvo marcada por los continuos viajes; sin embargo, siempre qu