MATHEMATICAL PROBLEM-SOLVING DIFFICULTIES AMONG FIRST-YEAR MIDDLE SCHOOL STUDENTS: AN EMPIRICAL ANALYSIS BASED ON THE PÓLYA MODEL

Problem solving is at the heart of mathematical activity, but observations in the classroom show that most students, whatever their age, have difficulty with this discipline. Even if the lessons learned are the same, not all pupils manage to solve the same problem, and some don't even manage to go beyond a certain level of resolution.