学案教学是国内中小学正在大规模探索和实践的一种教学模式,它在新课改推进过程中大面积兴起和发展,迄今已成为一项遍及全国的教学改革活动。学案教学的价值诉求是贯彻“以学定教”“为学而教”的课改理念,致力于扭转学生被动学习的局面,提高课堂教学的有效性。1但是,作为一种诞生于基层课堂的“草根”性的教学模 The case teaching is a kind of teaching mode that is being explored and practiced on a large scale in primary and secondary schools in China. It has risen and developed in a large area during the process of new course reform and has so far become a teaching reform activity all over the country. The value appeal of case teaching is to carry out the concept of “teaching by teaching and learning”, and to devote itself to reversing the situation of students’ passive learning and improving the effectiveness of classroom teaching. However, as a “grassroots” teaching model born in the grassroots classrooms,