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

Take a virtual tour of the Smithsonian National Zoo’s Small Mammal House with this high-interest STEAM book! Along the way, learn how zookeepers designed a habitat for the black-footed ferret, an animal once thought to be extinct. You’ll also learn about the many factors the keepers take into consideration when designing zoo enclosures. Created in collaboration with the Smithsonian Institution, this Spanish STEAM book will ignite a curiosity about STEAM topics through real-world examples. It features a hands-on STEAM challenge that is perfect for makerspaces and that guides students...

This title covers the major drivers of the Latin American region’s economy, including exports of agricultural products, petroleum and minerals, and manufactured goods, along with the service and tourism industries. Despite recent improvements, the Latin American economy remains dependent on commodity exports to the West, presenting a challenge to the region’s long-term future. When used in the classroom, this resource provides readers with the tools they need to analyze concepts in economics and how they affect the countries of Latin America.

This book is a fun and kidfriendly approach to prayer for a very special audience. Written with young hearts in mind, this short, easytoread book for 7 to 12 year olds, helps children learn to talk to God in a way that is meaningful and relational. Interactive callouts, sample prayers, and places to record their own words to God are sprinkled throughout the pages.

Esta cuarta edición expone los fundamentos de las señales y sistemas discretos en el tiempo y procesamiento digital de señales. Este texto es adecuado para estudiantes de Ingeniería eléctrica, ingeniería informática y Ciencia de la computación.

¡Conoce al iguanodon, un dinosaurio herbívoro que pesaba toneladas literalmente! Las imágenes coloridas ayudan a los lectores a aprender cómo era la vida para estos comedores de plantas de punta. Meet the iguanodon, an herbivore dinosaur who weighed tons—literally! Now in Spanish, carefully leveled text and colorful images help readers learn what life was like for these spiky-thumbed plant-eaters.