¿Qué le pasa al circuito? Resolver el problema (What's Wrong with the Circuit?: Fixing the Problem)

Anyone can learn computer science, even at the elementary school level. This book delves into the essential computer science skill of defining the problem using age-appropriate language and colorful illustrations. A meaningful storyline is paired with an accessible curricular topic to engage and excite readers. This book introduces readers to a relatable character and familiar situation, which demonstrates how they can define problems in everyday life. Readers will follow a narrator as she tries to find the right materials to build her ship. This fiction title is paired with the nonfiction...

"«A mi padre lo mataron una tarde que hacía mucho sol, aunque no lo supimos en ese momento. Él estaba del otro lado del mundo, en la selva oscura de Angola.» La infancia de Ernesto termina con esa noticia, a los doce años, un día que regresa de jugar en el bosque de La Habana. A los ojos de los demás se ha convertido en el hijo de un héroe enviado, como tantos otros cubanos, a la guerra de Angola. Bajo el peso de esa responsabilidad, Ernesto comenzará a percibir la contradictoria realidad de la Revolución y a indagar obsesivamente sobre el largo periodo de la presencia cubana en...

Combine valuable fourth grade math and literacy skills in a purposeful way with the Spanish-translated math reader Viajes: Por tierra, aire y mar (Journeys: Land, Air, Sea). Focusing on the critical skills that 4th graders need to know to advance to the next level, this book incorporates key math concepts into an engaging text that introduces students to different types of maps, including street maps to moon maps. Students will identify map symbols, keys, compasses, grid coordinates, and map ratios. Filled with mathematical charts, diagrams, and practice problems, the text features in this...

The pursuit and apprehension of art thieves in this activity book introduces young readers to the greatest artists and paintings of the 20th century. A hungry, art-devouring gang of mice is ruining the collection of paintings at the Museum of Contemporary Art—and they must be captured. Having only small shreds of paintings that he has found scattered through the galleries, the director enlists the readers to help him identify the ruined works and track down the culprits. La búsqueda y la aprensión de criminales de arte introducen a jóvenes lectores a los grandes artistas y pinturas del...

Imagine traveling at half the speed of a jet plane without ever leaving the ground! Students will discover the technology that makes such speeds possible, from special tracks and safety precautions to aerodynamically designed trains. What are the limits to the speed of trains? What imposes those limits? Students also will read about the future of passenger train travel, from flying trains to trains that use huge magnets to levitate inches or centimeters off the track. Some trains safely reach speeds of more than 200 mph!