¿Qué Son Los Bienes y Servicios? (What Are Goods and Services?)

Material para el alumno que sirve de apoyo al libro del alumno, para afianzar los conocimientos adquiridos en dicho libro. Ofrece una serie variada de ejercicios de refuerzo.

Este libro forma parte de una serie de textos destinados a ofrecer una presentación básica de las ideas fundamentales de las ciencias naturales. Han sido escritos en un lenguaje claro y abordan los hechos esenciales acerca de cada tema, incluyendo excelentes fotografías que dan a conocer interesantes detalles del tema tratado. Además cuentan con un vocabulario básico que será de gran utilidad para los lectores infantiles. En este texto dedicado al arce, se ilustra el proceso de crecimiento y desarrollo de los vegetales con imágenes en primer plano que contribuyen a facilitar la...

How do you truly engage students in learning history? When students make personal connections to the subject, they're much more motivated to learn. This Spanish book provides firsthand accounts of history that give personal insights into what life was like during Westward Expansion. Students will learn about the reasons people headed west, the gold rush, the Homestead Act, Manifest Destiny, the Oregon Trail, and more. With a visually appealing layout, this book features captivating text, fun facts, sidebars, and time lines that help students grasp the essential concepts they need to know at...

Readers learn about the various animals that need help and what they can do to make a difference through volunteerism in this engaging book. Discover different programs and organizations that work to protect animals, animal habitats, and endangered species through vibrant images and charts and informational text. Featuring a list of helpful and useful websites, this Spanish-translated nonfiction title encourages readers to take part in animal activism in any way they can--from baking homemade dog biscuits to exploring careers that help sick or injured animals.