La historia de los sistemas numéricos: Valor posicional (The History of Number Systems: Place Value)

La polémica en torno a la reforma de la Administración local plantea una reflexión crítica sobre la constitucionalidad de los nuevos límites de la autonomía local y el actual control sobre los municipios. Su planteamiento, no obstante, en términos de calidad democrática diseña un modelo de Gobernanza local propulsor de derechos de la ciudadanía y nuevos principios de transparencia, buen gobierno, participación y gobierno abierto, con la introducción de deberes y responsabilidades inéditas en la esfera municipal. Sin embargo, este estudio aborda el reverso de las nuevas tendencias ...

Introduce students to what it takes to be a good leader using this Spanish-translated nonfiction book. Engaging, primary source documents and images that support the text will inspire children to practice being a good leader! Early readers will build their literacy skills and social studies content knowledge while learning about leadership.

Students will develop their geometry skills as they study the geometric shapes of modern art and read about the innovative artists who turned the art world upside down. This Spanish book seamlessly integrates the teaching of math and reading, and uses real-world examples to teach geometry concepts. Text features include a glossary, an index, captions, and a table of contents to increase students' vocabulary and reading comprehension skills as they interact with the text. The rigorous practice problems, math charts and diagrams, and sidebars provide many opportunities for students to practice...

Packed with lively illustrations and fascinating flaps, this book is bursting to reveal amazing secrets."