La fiebre del oro (The Gold Rush)

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...

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,...

Our toilets toil away for us every day. Yet, they get little thanks for their hard work! When you think of toilets, you probably picture one in your home. But, toilets can be very different around the world. At first glance, a toilet is a simple device, but they are critical for proper sanitation. There are many people worldwide who do not have access to a toilet. Let's dive into an exploration of the history, importance, and inner workings of toilets! This Spanish book combines math and literacy skills and uses everyday examples of problem solving to teach subject area content. The...

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...

�Puedes creerlo? Han pasado 25 a�os desde que nuestro hombrecito con sombrero de copa primero parti� a ser un fen�meno en todo el mundo! Sin embargo, todav�a se ve con su rostro fresco como siempre! Aun as�, durante este tiempo, Wally aprendi� algunos trucos astutos y nuevos sobre el arte de desaparecer... Esta es una nueva edici�n de b�squeda cl�sica para celebrar, ahora con diab�licos rompecabezas y un nuevo y asombroso arte. Lleno de extras fant�sticos, cubierta con solapa espectacular, desplegables nunca-antes-visto, y una lista para marcar. Este libro nos trae el...

Discover How Katydids Got Their Name, That There Are Hundreds Of Kinds With Different Colors And Body Length, What They Eat, And How They Reproduce.

La fiesta de las estaciones recoge los mejores cuentos, poemas, tradiciones, adivinanzas y juegos para descubrir los cambios que nos depara cada estaci�n del a�o. A veces da la impresi�n de que el a�o se repite: estaci�n tras estaci�n salen del mismo escondite los meses y las semanas... Pero los ni�os lo saben: hoy no es igual que ma�ana, las estaciones son fiestas. Las estaciones de a�o son algo que suscita un gran inter�s por parte de los ni�os. Cada vez que un peque�o curioso pregunta por qu� existen diferentes estaciones podemos explic�rselo de muchas maneras....

Un cuento precioso que habla sobre la importancia del refuerzo positivo en los niños para potencia la confianza en ellos mismos y ayudarles a desarrollar al máximo sus capacidades y su creatividad. No tienes más que hacer una pequeña marca y observar adónde te lleva. Vashti dice que no sabe dibujar. Su profesora cree que sí. Porque sabe que todo el mundo tiene capacidad creativa dentro de sí. Y que donde hay un punto, hay un camino... ENGLISH DESCRIPTION With a simple, witty story and free-spirited illustrations, Peter H. Reynolds entices even the stubbornly uncreative among us to make ...