Geografía de pájaros Chile Central

LIBRO 1 de la serie bilingüe MAMI NATURALEZA Atrévete a mirar por el microscopio donde encontrarás, allí abajo, un mundo de formas diminutas, colores fantásticos y amiguitos que quieren saludarte. ¿Quienes son estas bacterias? ¿Donde viven? ¿Qué hacen en su tiempo libre? Hola bacteria es para niños pequeños que les desborda la curiosidad. Dan sus primeros conceptos sobre las bacterias - un tema muy interesante para los más pequeños y rara vez tratado en libros de edades tempranas. Que aprendemos: La idea del microscopioPorque debemos de lavarnos las manosUnas formas básicas de...

This book introduces readers to the first inhabitants of the Wild West. Readers will learn about Native American struggles over land and the historical and heartbreaking Trail of Tears. Through rich text and historic photographs, readers will learn about how life changed for Native Americans when white settlers started moving west. Engaging text explains important people and events, including the Great Sioux War of 1876 and Crazy Horse. "Truth or Myth?" fact boxes shed light on the real experiences of Native Americans while sidebars provide additional opportunities for readers to deepen their ...

Mathematics constitutes ideal material for exercising the art of learning and thinking. For this it is necessary that the classroom has a stimulating atmosphere which requires determined attitudes and beliefs. The book combines theory and practice and responds to questions such as these: to think in the mathematics class? on what does the knowledge of solving problems really consist of? what are the beliefs and which are the most common ones among the students? how to diagnose, evaluate and, in some cases to modify, the systems of beliefs of the pupil?).