La historia de: los sistemas numéricos: Valor posicional

Learn the history of number systems with this engaging Spanish book! This text combines mathematics and literacy skills, and uses practical, real-world examples of problem solving to teach math and language arts content. Students will learn place value while reading about the number systems of the Egyptians and Romans, and also learn important vocabulary terms like cuneiform, binary systems, roman numerals, and more! The full-color images, math charts, and practice problems make learning math easy and fun. The table of contents, glossary, and index will further understanding of math and...

Why do we need food to live? Find out in this informative title that explains the importance of food to all living things.

El Rocío era, hasta ahora, una fiesta muy vivida, muy glosada y muy cantada. Sin embargo, o tal vez por eso mismo, El Rocío era, hasta ahora, una fiesta que no había sido escrita. El polvo del camino, sin embargo, entra de lleno en ese espacio húmedo, cenagoso, a veces fétido y a veces aromático, de la romería de todas las romerías. Su autora, Eva Díaz Pérez, hace el camino del edén rociero, y descubre una inmensa y genial representación, un teatro del mundo que a veces suena a tragedia griega, y que la mayor parte del tiempo está metido en las arenas movedizas de la farsa, del...

Martin Luther King, Jr. used peaceful protests to become one of the worlds greatest African-American Civil Rights leaders. Readers will learn all about his interesting and inspiring life in this engaging biographical reader that features informational, Spanish-translated text, vibrant images and a timeline of Kings life.

This book introduces the reader to the nighttime world of the raccoon, including its habitat, activities, diet, and the unique things that it does.