En el trabajo: Contratistas: Perímetro y área (On the Job: Contractors: Perimeter and Area)

The Grand Canyon is a "grand" place to learn data analysis! Through an examination of its rocks and fossils, students will learn data analysis while reading about a fun-filled trip to Grand Canyon National Park. This Spanish book uses real-world examples to teach math concepts, and incorporates nonfiction reading to increase vocabulary and comprehension skills. The challenging practice problems, graphs, and sidebars provide many opportunities for students to practice their developing math skills, and apply what they've learned to their daily lives. Essential text features like a glossary,...

Describes what early planes and air travel were like, how planes were developed to travel faster, and presents some pioneers of aviation.

A biography telling the life story of Clara Barton, who served as a Civil War nurse, and started the American Red Cross. Written in graphic-novel format.

Antología documental de la participación popular en Venezuela durante el proceso constituyente de 1999 alrededor de la redacción de la Constitución de la República Bolivariana de Venezuela. Se trata de parte de la documentación que fue consignada a la ANC como propuestas para su inclusión en la redacción de la nueva carta magna.

Busca la respuesta a todas tus preguntas sobre animales salvajes y el hábitat en el que viven, levantando las solapas y ventanas de este entretenido libro con forma redonda e ilustraciones a todo color.