El gran libro de las matemáticas del Ogro feroz

In this biographical book, young readers will learn about the brave life of Harriet Tubman. Readers will discover how Tubman bravely escaped from her life as a slave to cross the Mason-Dixon line into freedom and how she helped hundreds of other slaves into freedom through the Underground Railroad with the help of abolitionists. The vivid images, stunning facts, and supportive text work in conjunction with the helpful glossary, index, and timeline of Tubman's life to give readers an engaging experience as they move from cover to cover. This book has been translated into Spanish.

In 1862, the American Civil War was underway, actively tearing the United States apart. At the start of the war, President Abraham Lincoln's main goal was preserving the Union, but he was now ready to make a stand on slavery. The Emancipation Proclamation was one of the most important documents of its time, but its contents can be confusing. This volume gives readers context for the proclamation, as well as explains what it says and its results, in uncomplicated language appropriate for those reading below level and those looking for a review of this subject.

This book describes how the activity of attending a baseball game requires using math for keeping score.

En las últimas décadas, los estudios del lenguaje humano y la interpretación han experimentado un importante giro desde posiciones tradicionales (que atribuían un excesivo valor al código lingüistico en detrimento de la práctica cotidiana del lenguaje) hacia el paradigma de la pragmática y la creciente importancia que esta perspectiva lingüística otorga a las diferentes variedades de información contextual en el desarrollo y la calidad de los intercambios conversacionales. Lejos de ser una simple descodificación pasiva de los mensajes que los oyentes reciben de sus interlocutores, ...