La historia de las innovaciones victorianas: Fracciones equivalentes (The History of Victorian Innovations: Equivalent Fractions)

Learn how the gold rush shaped California’s population, economy, citizens, and cities with this primary source book that builds students’ reading skills and social studies content knowledge. The dynamic primary source maps, letters, and images provide authentic nonfiction reading materials and keep students interested in learning. Text features include a glossary, index, captions, sidebars, and table of contents. This book connects to California state studies standards and the NCSS/C3 Framework and features appropriately leveled text to accommodate different reading levels. Additional...

Gorillas, wolves, chickens, and kangaroos. It might not seem obvious at first, but these species all have something in common: their individual members must all find their places within their groups. These power struggles can be dangerous! Read about the fierce world of animal alphas and how they make it to the top. This Spanish nonfiction book will keep students engaged in reading as they build their literacy, vocabulary, and comprehension skills. Important text features include a glossary, index, and table of contents. The Reader's Guide and culminating activity require students to connect...

It was known as the age of the dinosaurs, but other fascinating creatures roamed the Earth at the same time. Learn about lesser-known animals from the prehistoric era that are no less fascinating! Students will be engaged in reading about ancient animals like Gigantopithecus, Titanoboa, Megalodon, and more as they develop their skills at reading and writing numbers. 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, intriguing sidebars, practice problems, and math diagrams make learning ...

Help teach students about the voting process with this Spanish nonfiction book. Made for young readers, the book includes a fiction story related to the topic, a bonus project, discussion questions, and other helpful features. This 24-page full-color Span

Cuando decidas recorrer la dimensión tiempo de tu memoria (dtm), descubrirás que te has transformado por medio de una lenta metamorfosis psíquica en «80 teorías (80t) y un drama sobre la muerte (1dm)». (dtm = 80t + 1dm) Nuestros recuerdos son como un amasijo de chatarra, enmarañada de sueños, miedos y fantasmas, resultado de una gran colisión entre cuatro trenes que recorren las vías del tiempo. A velocidad de vértigo se desplaza un tren que viene del pasado remoto, cargado con «recuerdos ancestrales», contagiados de cerebro a cerebro y que heredamos como una ilusión propia;...

¿Qué es lo que hace que hombres y mujeres se transformen en héroes y heroínas? ¿Sus naves espaciales? ¿Las últimas tecnologías? Si queréis conocer a superhombres y supermujeres de verdad, buscadlos entre estas páginas. Los protagonistas de las más inimaginables aventuras son los héroes y las heroínas de la antigua Grecia. A partir de mitos de la tradición clásica, se repasan algunas de las figuras y tópicos más representativos de nuestro tiempo.

La presente traducción castellana representa una novedad en el panorama internacional al ser la primera que se realiza a un idioma moderno. Los amantes de la cultura de al-Andalus tienen, pues, en sus manos una joya bibliográfica que será de especial interés para los estudiosos de historia de la medicina y del pensamiento medieval. El sabio andalusí Averroes, notable jurista y filósofo de primer orden, ejerció también como médico en la corte almohade de Marraquech. Fruto de esos conocimientos teórico-prácticos es el libro que escribió con el título de «Kulliyy&āt», en el que...

When rocks change because of environmental conditions, the new rocks are called metamorphic rocks. A rock's chemical or physical makeup may change because of conditions such as temperature, stress, or pressure. Your readers will learn fascinating facts including where metamorphic rocks are most commonly found, the different types of metamorphism, and how metamorphic rocks are identified. Full-color photographs depict these rocks in nature. A helpful graphic organizer shows how these fascinating rocks form.