Rastreo del tiempo (Tracking the Weather)

How many elephants? How many giraffes? Count the animals of the Serengeti! Early readers will learn cardinal numbers and counting by fives with this Spanish book for kids. With bright images and simple text, this full-color book develops students' math and reading skills. The Math Talk questions build fluency and comprehension of basic math concepts. Perfect for shared or guided reading, this nonfiction kids book is ideal for kindergarten and ages 4-6.

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...

The London Eye opened on March 9, 2000. Although it hasn't been there long, the London Eye has already become an iconic symbol of London. No trip to London is complete without a visit to the London Eye! Learn about the history and creation of Europe's tallest observation wheel as you build your arithmetic skills! This Spanish math book combines math and literacy skills, and uses real-life examples of problem solving to teach subject area content. The full-color images, engaging sidebars, practice problems, and math diagrams make learning math relevant and fun. Text features include a table of ...

La historia de Robinson Crusoe se ha contado muchas veces pero nunca desde el punto de vista de los animales que viven en la isla. Los animales se van cediendo la palabra, desde Yaguatirica, el gato montés, que es quien encuentra a Robinson, a la tortuga que le enseña a comer sabrosos gusanos. Según los animales, Robinson, a quien ellos llaman “Tinga” por su color blanco, era un inútil que no hubiera sobrevivido sin su ayuda. Todo cambia el día en que llega Taiguara, es decir “Libre”, al que Robinson se empeña en llamar Viernes.

In an online world where the amount of information seems to increase exponentially even week to week, student researchers can find it an ever-greater challenge to distinguish credible, vetted content from hearsay and misinformation. This book on citing internet sources will help them determine which online sources are trustworthy and which are not. Its lively and engaging instructional tips will help readers successfully negotiate the vast landscape of information out there. They will produce quality research for papers now and beyond in their academic careers with skill and confidence.

Un canto a la libertad, el amor y la amistad. Este libro recrea la vida de Hipatia de Alejandría, una figura capital de la antigüedad y protagonista del filme Ágora, de Alejandro Amenábar. Estuvo versada en filosofía, matemáticas y astronomía, pero su clase magistral para la historia fueron su sed de vida y de conocimiento, así como el valor y la entereza para defender sus ideales de convivencia y tolerancia. Hipatia fue un espíritu libre, una voz incómoda a causa de la férrea voluntad de llevar una vida plena como mujer sin pedir perdón por ello, aunque debiera pagar por ello el...

Tu país es una parte importante de lo que tú eres. Aprende sobre el importante valor del patriotismo.