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...

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...

How do you truly engage students in learning history? When students make personal connections to the subject, they’re much more motivated to learn. This Spanish book provides firsthand accounts of history that give personal insights into historical events. Students will learn about California’s gold rush by examining maps, letters, images, and art from that time. With a visually appealing layout, this book features captivating text, fun facts, sidebars, and time lines that help students grasp the essential concepts they need to know at their grade level. Packed with information and primary...

¿Qué valores, comportamiento y actitudes cívicas caracterizan hoy al buen ciudadano o ciudadana? ¿Qué educación requiere la transmisión de valores cívicos? Respuesta a estas y otras preguntas pueden orientar la acción educativa del profesorado de Secundaria, ante el actual reto de educación para la ciudadanía. En este libro se propone una educación en valores cívicos, entre otros, participación, responsabilidad social, diversidad y diálogo, crítica social y solidaria, equidad de género, defensa del medio ambiente y promoción de un desarrollo sostenible.

Young children are natural problem-solvers and always looking for answers, especially when it involves interesting animals. This Spanish-language edition of Scaly Swimmers provides young curious readers with striking visual clues and simply written hints. Using the photos and text, readers rely on visual literacy skills, reading, and reasoning as they solve the animal mystery. Clearly written facts give readers a deeper understanding of how the animal lives. Additional text features, including a glossary and an index, help students locate information and learn new words.

El amor duele, o eso pensaba en aquel entonces, cambié de parecer conforme pasó el tiempo, sin embargo, toda esa transición y cura, las fui dejando aquí, para el amor de quien creí alguna vez la mujer de mi vida. La hice poesía, para recordarla y amarla eternamente, aunque yo muriese entre mis letras ella me encontraría cuando me necesitase. La amé con el alma, se llevó una parte de mí, y es por eso, que lo que quedó lo dejo aquí.

La madre de Claudia, la niña protagonista de esta historia, es muy peculiar: es tan pequeña que cabe en un dedal. Hay ventajas y desventajas para los tres miembros de la familia. ¿Qué divertidas situaciones se vivirán en este insólito hogar? Una estupenda historia que retrata con mucho humor las relaciones familiares.