Mathematical problem solving is one of the most valuable aspects of mathematics education and the most difficult for elementary school students. Cognitive and metacognitive difficulties in this area cause students to develop negative attitudes and emotions as affective reactions, hampering their efforts and achievements. These metacognitive and…

Context: The desire to provide useful, research-based information to policy makers and teachers poses a series of challenges for education researchers. These challenges include striking a balance between complexity and simplicity in the portrayal of teaching, addressing the potential conditional nature of what constitutes quality teaching, and…