Hacer hielo: Comprobar tu trabajo (Making Ice: Checking Your Work)

Con este libro mágico podrás dibujar todo lo que quieras: animales, plantas, exploradores, piratas... Y luego puedes borrarlo y volver a dibujar una y otra vez.

Updated for 2020, large photos and playful text will have young tots howling, growling, and mooing right along with this book.

When President Thomas Jefferson bought the Louisiana Territory from cash-strapped France in 1803, he doubled the size of the United States without really knowing what he was getting. He dispatched Meriwether Lewis and William Clark and their Corps of Discovery to explore a territory that would include part or all of fifteen future states and to seek a water route to the West Coast. Westward expansion began immediately, all for the bargain price of 15 million dollars. This book richly explores this fascinating part of history.

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...