Matemáticas en Marte (Math on Mars)

Everyday examples, such as a motorcycle and a tricycle, demonstrate differences in speed. A simple, Spanish narrative runs beneath the photographs.

Shaban, hijo del Mago de Esmirna, emprende su viaje iniciático para convertirse en mago: comienza así su ascensión a la Gran Montaña, donde ha de pasar su primer día solo. Allí, en donde todo es posible, tendrá experiencias insólitas porque el tiempo y el espacio exteriores pierden su valor.

People today refer to the Midwestern and prairie states as flyover country. During the Civil War, crossing those areas was the biggest obstacle in uniting the East and West Coasts of our divided nation. An act of Congress in 1862 authorized the Central Pacific and the Union Pacific railroad companies to build a railroad that would link the coasts. Seven years later, on May 10, 1869, an overwhelmingly immigrant labor force completed the task when a rail line was join in Promontory, Utah. The states had become united at last.

Introduce students to the scientific method with this Spanish science reader that features easy-to-read text. This book teaches important scientific topics and vocabulary terms including hypothesis, data, experiment, conclusion, method, research, and more. Nonfiction text features include a glossary, index, and detailed images to facilitate close reading and help students connect back to the text. Aligned to state and national standards, the book also includes a fun and engaging science experiment to develop critical thinking and help students practice what they have learned.