La historia de los sistemas numéricos: Valor posicional (The History of Number Systems: Place Value)

Narwhals are often called the "unicorns of the sea." But these fascinating creatures are members of the whale family. Read all about narwhals as you practice addition. 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...

"In the summer of 1963, Spain is sad, thick and shrunken. Time seems to have stopped in the calendar and everyone's feet hurt to walk through life as if they did damage the shoes. But anytime fortunes can change: through the cracks of this dripping a little hope. This dry, hot summer and foolish is the awakening of Leon Egea. Away from claustrophobic environment of its people and wounded by the literature, began working in the publishing universe and live your first love. In difficult times it is important to bet on the future in terms comfortable or uncomfortable. Because the future will not ...

Introduce students to American civic values, and the importance of upholding these beliefs. This nonfiction Spanish-translated book encourages readers to embrace equality and responsibility. Primary source images support the text and engage readers to help them better understand the content.

Impulsado por la nostalgia, Oki Toshio, un escritor casado, decide viajar a Kioto para oír las campanas del templo en el Año Nuevo. Pero además quiere ver a Otoko, antigua amante a la que había humillado. Todavía hermosa, Otoko, ahora pintora, vive con su protegida Keiko, una joven amoral, sensual y apasionada de apenas veinte años. Y lo que comienza como un reencuentro sentimental entre el maduro Oki y la discreta Otoko se convertirá. Por voluntad de Keiko, decidida a vengar a su mentora, en un cruel drama de amor y destrucción.