课堂的高效,始于教师,源于学生。高效课堂是一场“围绕学生、服务学生、激发学生、为了学生”的改革。高效课堂要关注两个度:精力流失度和目标达成度。精力流失度考察效率,目标达成度考察方向和程度,即效度。需要我们注意的是,高效只是理想课堂的价值取向之一。高效课堂不一定是理想课堂,但,理想课堂一定是高效课堂。课堂教学是一门艺术,是一种教师与学生共同参与的复杂性 Classroom efficiency, beginning with teachers, from students. Efficient classroom is a “around the students, serve students, stimulate students, for students ” reform. Efficient classroom should pay attention to two degrees: loss of energy and goal achievement. Efficacy assessment efficiency, target achievement degree of inspection direction and degree, that is, validity. What needs our attention is that efficiency is only one of the values ​​of an ideal classroom. Efficient classrooms are not necessarily the ideal classroom, but the ideal classroom must be an efficient classroom. Classroom teaching is an art and is a kind of complexity in which teachers and students participate together