El ferrocarril transcontinental (The Transcontinental Railroad)

Take a trip to the British Museum as you explore its fascinating objects and geometric shapes! This famous London museum was built for exploration - and for learning geometry. Learn about its history and artifacts as you build your geometry skills. This Spanish math book seamlessly integrates the teaching of math and reading, and uses real-world examples to teach math concepts. Text features include images, a glossary, an index, captions, and a table of contents to build students' vocabulary and reading comprehension skills as they interact with the text. The rigorous practice problems,...

Un nuevo formato para la serie middle grade de ciencia más divertida. Pachi y su papá son fanáticos de la cocina, ¡y ahora compartirán sus recetas contigo! Además de entregarte la preparación de platos dulces, salados y algunos un tanto extraños, te revelarán cuál es la ciencia detrás de la cocina. ¿Por qué la cebolla no hace llorar si se corta cuando está hervida? ¿Por qué las frutas maduran? ¿Por qué pica el ají? ¡¿Por qué hay personas que sienten el cilantro con sabor a jabón? Sí!, ¡¡¡JABÓN!!! Encuentra respuesta a estas y otras preguntas raras junto a la...

Aircraft carriers are truly the fortresses of the sea! Students will get an inside–out view of these incredible floating cities, from how they are constructed to how they function as important parts of a country’s defense. Students also will learn about the various aircraft that are on board and the crew that keeps aircraft carriers in ship shape!

"With vivid photographs and simple text, books in this series introduce children to the concepts of currency, exchange, and global diversity. In this book, children learn how people spend money on goods and services around the world."