Sentirse Tímido

Las computadoras y el Internet cambiaron para siempre la forma en que comunicamos mensajes y otro tipo de información. También crearon nuevos desafíos para poder mantener esas comunicaciones privadas. Ahí es donde entra la criptología digital, el estudio de la comunicación digital secreta. Aprende sobre cómo trabajan los criptólogos profesionales para burlar a los piratas informáticos y ciberterroristas que intentan acceder a información privada. ¡Luego prueba tus habilidades con una actividad práctica de criptología digital! Computers and the internet forever changed how we...

First readers will begin to learn and identify shapes, which are the building blocks for learning math.

Climb aboard for a journey into the world of trains! In this fascinating, Spanish-translated nonfiction title, readers learn about the history of trains, the different uses for them, and the different types and parts including freight cars, box cars, passenger cars, and the caboose. With detailed photos, informative text, and intriguing facts, this book will have readers delighted from cover to cover!

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,...