Although teachers are recommended to create a stimulating learning environment in which children can use, perfect, and extend their skills, this is far from easy. In many cases, identifying the optimal difficulty level of learning tasks involves a trial-and-error process during which teachers offer children too difficult tasks, with negative…

The relationships among prior achievement, individual outcome, team outcome, and students' achievement and academic perceptions were studied for 190 students (grades 3 through 7) learning mathematics in teams. Subjects' teachers also participated. Team outcome was related to achievement and academic perceptions, but not to prior achievement and…