La fiebre del oro (The Gold Rush)

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,...

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,...

Este libro ilustrado para niños contiene instrucciones paso a paso de actividades creativas que hacer con crayolas.

Civil rights leaders are people who make sure that the laws of the United States are fair for everyone, regardless of their race, religion, or gender. One of the most influential men of our time was Dr. Martin Luther King, Jr. EL DIA DE MARTIN LUTHER KING, JR.—HONRAMOS A UN HOMBRE DE PAZ is a Spanish-only edition discussing the man behind this day.

A muchos de nosotros nos ha ocurrido alguna vez, creímos que existía otra dimensión además de las que ya conocemos y nos preguntamos si en verdad están ahí o si son meras ilusiones de nuestra frágil mente. Tal vez nunca encontremos una respuesta satisfactoria, tal vez perezcamos antes de averiguarlo, pero al menos sabremos que el mundo real siempre ha sido misterioso y cautivador para muchas personas.

En este cuaderno aprenderás la ortografía de numerosas palabras que se escriben con v y h, y te ejercitarás en la ortografía de diversas sílabas trabadas y libres. También se estudian algunas reglas fundamentales del uso de las mayúsculas: en principio de escrito y después de punto.