Desarrollo Profesional del Docente de Matemáticas a través de sus Tareas para el Aula propuestas en un Curso de Formación

Part of a doctoral work, framed within the teacher training online, is to analyze the tasks proposed by teachers teaching in a training course held in Chile in 2012, where participants have to identify a professional problem referred to teaching algebra and deepen on it designing, implementing and analyzing mathematical tasks for a class. After presenting some descriptors of tasks, with a qualitative methodology we use content analysis to describe the evolution of teaching tasks proposed by two teachers participating in this training course. Analysis of the data show how teachers face a proble...