Cómo funcionan los ecosistemas

Veinticinco relatos cortos para revisitar de forma amena y divertida la historia universal. Descubre 25 emocionantes y divertidos relatos con los que te transportarás a los acontecimientos más importantes de la Historia Universal, desde el Paleolítico hasta la Edad Contemporánea. Empieza un emocionante viaje a través del tiempo. ¡No te lo pierdas! ENGLISH DESCRIPTION Twenty-five short tales to review world history in a fun and entertaining way. Discover 25 fun, exciting tales that will transport you to the most important events in world history, from the Paleolithic period to the modern ...

¿Un concurso de héroes? Morris y sus amigos tienen que ir al bosque de Zorris para ganar el antifaz de oro, pero ¡te necesitan! En el camino tendrás que resolver sudokus, descifrar códigos secretos, contar chistes, jugar al escondite e incluso hacer tu pr

Computer science is all around us, at school, at home, and in the community. Anyone can learn computer science, even at the elementary school level. This book delves into essential computer science concepts using age-appropriate language and colorful images. The computer science topic is paired with an age-appropriate curricular topic to deepen readers' learning experience. The instructional guide on the inside front and back covers provides: Vocabulary, Background knowledge, Text-dependent questions, Whole class activities, and Independent activities.

English-Spanish bilingual edition teaches young children simple manners and kind behavior. When children are kind, courteous, and respectful, people enjoy being around them and reciprocate with the same behavior. Use this English-Spanish bilingual book to teach manners and help young children understand the importance of showing politeness, speaking kindly, using basic courtesies (“please,” “thank you,” “excuse me”), and respecting the feelings of others. A section at the back of the book, in both English and Spanish, provides questions for discussion, scenarios, and role-play...