Pueblos y ciudades (Towns and Cities)

Students will learn about the history of hot air balloons and they will also discover the importance of volume when calculating hot air balloon flight. Used in the classroom or at home, this nonfiction Spanish text includes mathematical charts to help students practice calculations. With a glossary, an index, dynamic images, and easy-to-read text, students will build their math and reading skills while they are engaged in reading high-interest content.

Take a trip to the fire station to learn how firefighters use measurement to put out fires! Full of facts, practice problems, and mathematical charts, this Spanish-translated title teaches children more about measurements like volume and perimeter!

Did you know that early explorers initially thought that California was an island? Learn how California was discovered with this Spanish book that focuses on the history of California. Students will learn about the contributions of Henry Hudson, Juan Rodriguez Cabrillo, Hernan Cortes, Francisco de Ulloa, and Sir Francis Drake. With a visually appealing layout, this primary source 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 information and primary source maps, images, and ...

Worksheets designed for use in Spanish immersion classrooms, as a supplement for parents to use with their children for extra practice, or for use by any classroom teacher who wishes to incorporate Spanish instruction in the classroom in the curriculum areas of language arts, math, social studies, and science.

Siervos medievales presenta una realidad social poco estudiada hasta ahora por la historiografía medievalista: la vasta extensión de la dependencia campesina de carácter servil en el norte de la Península y, en especial, en Aragón y Navarra, durante los siglos XI al XIII. Indaga la experiencia vital de los siervos, las características de la reproducción social de las familias serviles y la dinámica de la dominación ejercida por los señores. Muestra la ambigüedad de los estatutos, del deshonor que pesaba sobre los siervos y las características de la resistencia campesina. El...

Venerado y vilipendiado a un tiempo, Lobachevski se cierne imponente sobre la matemática del siglo XIX. Al igual que sucede a la mayoría de los mitos, el Lobachevski real está oculto por capas de negligencia y desconocimiento. Su fantástica obra, argumentaban muchos, no era otra cosa que herejía matemática, una senda falsa. Lobachevski es una personalidad abrumadora, un soñador empedernido, un hacedor de mundos imposibles pero reales. Lobachevski es, para muchos, una persona desconocida. Este libro cuenta la historia de un hombre sencillo, pero sagaz, obstinado y profundo desde el...