Cuando soy tímido

Mysterious ancient ruins, hidden deep in the jungle of southern Mexico In May 1840, explorers John Stephens and Frederick Catherwood road their mules along a steep, muddy jungle path. They were hoping to find the ruins of an ancient, deserted site in Mexico they knew only from visitors’ accounts. Through the trees, they spied the remains of a crumbling stone palace. Palenque! In the weeks they spent there, the men discovered intricately designed buildings and mysterious glyphs, or symbols. Who built this city? What did the glyphs mean? The questions remained largely unanswered until the...

Computer science is all around us, at school, at home, and in the community. This book gives readers the essential tools they need to understand the computer science concept of debugging. Brilliant color photographs and accessible text will engage readers and allow them to connect deeply with the concept. The computer science topic is paired with an age-appropriate curricular topic to deepen readers’ learning experience and show how debugging works in the real world. In this book, readers will find out why a magnet isn't sticking to a certain surface. This nonfiction title is paired with...

Este libro trata de atender a las necesidades reales de los profesores de matemáticas de Educación Secundaria Obligatoria ofreciéndoles una síntesis práctica de problemas, estrategias y teoría, mediante una presentación funcional para su utilización in mediata en la clase. Proporciona un plan detallado de cada Unidad (material complementario para el profesor y hojas reproducibles para los estudiantes) para cuarenta sesiones de trabajo. Las unidades están diseñadas para enseñar importantes destrezas y estrategias de resolución de problemas. La metodología de enseñanza introduce a ...

Worksheets designed for use in Spanish immersion classrooms, as a supplement for parents to use with their children for extra practice, or for use by any classroom teacher who wishes to incorporate Spanish instruction in the classroom in the curriculum areas of language arts, math, social studies, and science.