Matemáticas. 4 Primaria. Nuevo proyecto Trotamundos. Trimestres

Farmers use tractors to plow their fields. Tractors are also used on construction sites. The biggest tractors are as wide as a road. Learn more about these machines in Tractors, an AV2 media enhanced book

Find out how tools have helped people hunt, build, and make life easier in this engaging, Spanish-translated nonfiction title. With colorful images, timelines, charts, a glossary to assist with vocabulary improvement, and an index, children will learn how tools throughout time have made such an important impact on life as we know it! Featured eras include the Stone Age and the Industrial Revolution. This 6-Pack includes six copies of this title and a lesson plan.

No, no estoy loco (ya lo dice mi apellido, "Cuerdo"), pero me encanta hacer locuras y divertirme a todas horas. Si alguien me pregunta cuál es mi asignatura favorita, la respuesta es sencilla: Reírme y hacer tonterías delante de la cámara. Aquí te propongo 50 locuras, de esas supermegalocas, que pueden servirte como reto para superarte o simplemente para divertirte. Pero además aprovecharé para contarte todos mis secretos. ¿Te atreves a seguirme y cumplir todos los retos?

Imagine being lost and stranded in the desert. Would you know what to do to survive? This useful Spanish-translated nonfiction title explains the important skills needed to survive in the desert. With helpful diagrams and images, definitions, tips and instructions, informational text, a bibliography, and a list of other helpful websites, readers can be assured that they will learn about the dangers of heat exhaustion, desert plants that could aid in survival, and other helpful tips in order to survive in an emergency.