Grito De Guerra Por Una Generacion/battle Cry for a Generation

Presenta varios experimentos en cronometría. Para estudiantes de primaria (grados 4-6) y de secundaria (grados 7-9).

Christopher Columbus most likely wasn’t the person to discover the Americas. He wasn’t even the first European to do so! Despite that, his three trips to the Western Hemisphere led to many more European explorers heading in that direction. In this volume, readers familiar with Columbus’s travels on the Nina, Pinta, and Santa Maria can learn who Columbus was beyond his travels. Supported by full-color and historic images, interesting main content turns what readers think they know about the life of Columbus on its head while expounding on an important period in the history of the world.

La lluvia amarilla es el monólogo del último habitante de un pueblo abandonado del Pirineo aragonés. Entre «la lluvia amarilla» de las hojas del otoño que se equipara al fluir del tiempo y la memoria, o en la blancura alucinante de la nieve, la voz del narrador, a las puertas de la muerte, nos evoca a otros habitantes desaparecidos del pueblo, que lo abandonaron o murieron, y nos enfrenta a los extravíos de su mente y a las discontinuidades de su percepción en el villorio fantasma del que se ha enseñoreado la soledad. En el pueblo de Ainielle ya sólo quedan Andrés y Sabina. Poco a...

Visiting Tulum National Park is like going back in time. The Maya lived there long ago. Learn addition as you count the things they left behind. This Spanish math book combines math and reading skills and uses real-life examples of problem solving to teach subject-area content. The dynamic images, detailed sidebars, practice problems, and math diagrams make learning addition easy and fun. Text features include a table of contents, a glossary, an index, and captions to build vocabulary and increase understanding of math and reading concepts. An in-depth problem-solving section provides...