TY - GEN DA - 2019/07/07 PY - 2019 UR - http://hdl.handle.net/10584/8580 LA - es PB - Fundación Universidad del Norte KW - KW - Competence, mathematical skills, mathematical reasoning, Pythagorean theorem, Van Hiele Model, collaborative learning. KW - KW - Competencias; competencia matemática; razonamiento matemático; aprendizaje significativo KW - Competencias, competencia matemática, razonamiento matemático, teorema de Pitágoras, modelo de Van Hiele, y aprendizaje colaborativo. KW - TI - The pythagorean theorem based on the Van Hiele model: A didactic proposal for developing mathematical reasoning competences in ninth-grade students of the Educational Institution Anna Vitiello ER -