Sumando y Restando en el Club de Matematicas

Readers will learn about the important relationship between producers and consumers as well as buyers and sellers and how they all work together to create a healthy economy. This instructive volume defines basic economic concepts like goods and services and explains production with examples of the different types of production. It also covers the primary and secondary industries that produce goods. Concepts such as marketing and advertising are also covered, for a well-rounded view of this fascinating aspect of the economy.

MODELS OF QUALITATIVE RESEARCH IN SOCIAL EDUCATION AND SOCIO CULTURAL ANIMATION - Practical applications - This book tries to combine the reflection on a concrete methodology, and its practical application to the ambience of the social field. The author wants to harmonize in this way, “knowledge” with “the knowledge to do” and invites us and to involve the heart as well as our intelligence in the work that we carry out. The book offers valuable guides and it provides hints to carry out quality research.

Una visión actual de la armonía no clásica. Desde los conceptos musicales más básicos hasta la armonización de una melodía. Herramienta básica para iniciar estudios de esta materia.

Bike riding is a lot of fun, but it can also be dangerous. Read about how people have made cycling safe over the years. Learn how bicycles have changed over time and how bike parts, equipment, and trails make cycling safer. Created in collaboration with the Smithsonian Institution, this Spanish book will ignite a curiosity about STEAM topics through real-world examples. It features a hands-on STEAM challenge that is perfect for makerspaces and that guides students step-by-step through the engineering design process. Make STEAM career connections with career advice from Smithsonian employees...