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,...

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...

Learn how to help others in your community. This exciting Spanish nonfiction book describes the many ways that volunteers make a difference, from cleaning up parks to helping in food banks. Perfect for young readers, the book includes a short fiction stor

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,...

En este cuaderno estudiarás diversas palabras usuales que se escriben con x, con v y con h. Y, finalmente, estudiarás el uso de las mayúsculas en los nombres propios.

Mi nombre es Pla y soy una niña de 11 años que tengo como misión de vida cuidar el planeta, pues la naturaleza se está acabando. Cada vez es menos «natural» y más «humana». Pienso que llevar una vida sustentable es respetar la Tierra y a quienes nos rodean. Si lo hacemos, nos servirá para que los recursos duren más y podamos vivir de la mejor forma posible. Si cuidamos los recursos, el planeta logrará sanarse y bajará la temperatura que ha aumentado en las últimas décadas. Si bien los adultos toman muchas decisiones, ¡tú también puedes hacer lo tuyo y decidir vivir de mejor...

For most of history, women have been confined to their households, and to lives without equal rights or equal opportunities. This volume introduces readers to the women of the suffrage movement, the defining movement for women’s rights, especially the right to vote. Primary sources and photographs will show readers firsthand how the challenges and successes of this movement shaped the lives of women across the United States. Readers will also learn about the inequality that still exists for women, and how they can change this injustice in the future.

Explores our natural connection to the earth and its four elements, air, water, soil, and fire, underlining the importance of biodiversity and respect for the environment.