Primeros Ejercicios de Calculo

Un canto a la libertad, el amor y la amistad. Este libro recrea la vida de Hipatia de Alejandría, una figura capital de la antigüedad y protagonista del filme Ágora, de Alejandro Amenábar. Estuvo versada en filosofía, matemáticas y astronomía, pero su clase magistral para la historia fueron su sed de vida y de conocimiento, así como el valor y la entereza para defender sus ideales de convivencia y tolerancia. Hipatia fue un espíritu libre, una voz incómoda a causa de la férrea voluntad de llevar una vida plena como mujer sin pedir perdón por ello, aunque debiera pagar por ello el...

Besides oil, Texas has long been associated with cattle and agriculture. Learning about these industries will allow readers understand how valuable their development is to the growth of the state of Texas, as well as America's economy.

Learn what it takes to be a community leader. This Spanish nonfiction book emphasizes the importance of local leaders and it includes a fiction story related to the topic, glossary, bonus activity, useful text features, and engaging sidebars. This 28-page full-color Spanish book describes the roles and responsibilities of various leadership positions. It also covers important civics topics like volunteerism and leadership, and includes an extension activity for grade 2. Perfect for the classroom, at-home learning, or homeschool, to explore communities, local government, and how individuals...

Healthy Habits is a collection of four stories featuring the Chiminis, fictitious characters that live in the forest and are as small as pine cones. In each story, one of the Chiminis has an adventure that highlights the importance of hygiene, a good diet, and exercise, and offers general health advice.