Obedecer las reglas

"Some things are so huge or so old that it's hard to wrap your mind around them. But what if we took these big, hard-to-imagine objects and events and compared them to things we can see, feel and touch? Instantly, we'd see our world in a whole new way." So begins this endlessly intriguing guide to better understanding all those really big ideas and numbers children come across on a regular basis. Author David J. Smith has found clever devices to scale down everything from time lines (the history of Earth compressed into one year), to quantities (all the wealth in the world divided into one...

Learn how zookeepers at the National Zoo keep the animals healthy and happy. This Spanish book features a hands-on STEAM challenge and uses real-world examples to give insight into how the engineering design process is used to solve problems.

La novela que inspiró la película. 1823. Hugh Glass es uno de los tramperos más experimentados y respetados de la frontera en el noroeste de los Estados Unidos, donde enfrenta a diario los peligros de la naturaleza salvaje y de las belicosas tribus indias. Inesperadamente, el ataque de una osa lo deja gravemente herido y ninguno de sus compañeros confía en que sobrevivirá. Cuando los dos hombres encargados de cuidarlo hasta su muerte lo abandonan, él luchará por mantenerse con vida movido por un único deseo: la venganza

Book Features: • Ages 4-8, Grades PreK-2 • 16 pages, 8 inches x 8 inches • Simple, patterned Spanish text with full-color pictures • Includes comprehension questions, writing prompts, and high frequency words • Graphic organizers and photo glossary included Jump Into Learning: In Listos para las Ciencias: Puedo Saltar, preschoolers—second graders learn about the different types of animals that can jump, just like you! Science Made Fun: How high can you jump? These animals can jump, too! Young readers learn about some of their favorite animals that can jump, hop, and leap! Build...