Desafíos matemáticos

From Mexico to the tip of South America, Latin America features varied scenery, including deserts, grasslands, plains, and mountains. Some are extreme: The Andes is the world's longest mountain range, and the Atacama Desert has not had rain for over 400 years! Latin America's remarkable landscape is an essential factor in its surprisingly different climatic zones. This insightful volume offers a comprehensive tour of the many vibrant countries of this fascinating region, highlighting its most striking areas in vivid photographs. It is also an inviting exploration of geography, natural...

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 historical events. This primary source book focuses on immigration in California from the time of the Gold Rush to the end of the 19th century. 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 their grade level. Packed with...

Follows the life and career of the French scientist who proved the existence of germs and their connection with diseases.

Mi Biblia Legado combina datos del bebé, la historia familiar y las historias bíblicas. Este libro de tapa dura acolchonada es el regalo perfecto para el nuevo bebé y el regalo perfecto para comenzar a enseñarle a su pequeño la gran historia de Dios. Preciosos dibujos de arte en páginas a todo color adornan este libro de historias y oraciones con un espacio especial para guardar información del bebé y del legado familiar. Es un libro conmemorativo y de historias bíblicas a la misma vez. Mi Biblia legado (My Keepsake Bible) combines baby records, family history, and Bible stories....