Reversibility as a strategy to develop problem-solving with fractional numbers in fifth-grade students of the educational institutions Nuestra Señora del Cármenand Juan Pablo I La reversibilidad como estrategia para desarrollar la resolución de problemas con números fraccionarios en los estudiantes de grado quinto de las instituciones educativas Nuestra Señora del Cármen y Juan Pablo I

Abstract

To  strengthen  the  resolution  of  problems  with  fractions,  three  units  were designed with 18 interventions aimed at arousing interest in students. As a strategy,  reversibility  was  applied  in  the  steps  of  the  Pólya  method  to understand the problem based on the response. This research, focused on qualitative   methodology,   action-type   research   allowed   to   observe   the behavior of  students in the face of new  ways of solving problems and the use of strategies, motivation, and interest in topics that favored individual and collaborative work. The phases were: (i) Diagnosis and recognition of the situation,  (ii)  Development  of  the  action  plan,  (iii)  Putting  the  plan  into practice, (iv) Reflection on effects. The final test is applied and the results are analyzed to determine impact and effectiveness.