在教学中我们常有这样的困惑:不仅是讲了,而且是讲了多遍,可是学生的解题能力就是得不到提高。也常听到学生这样埋怨,上课老师讲的都能听懂,可自己做的时候就是一点思路都没有,巩固题做了千万遍,稍微一变形就不认识了,已经在数学上花了很多时间,数学成绩却迟迟得不到提高。这不仅要引起学生反思自己的学习方法,也提醒教师反 In teaching we often have such confusion: not only talked about, but also talked about many times, but the problem-solving ability of students is not improved. Often heard of students complain that class teacher can understand what they can do when they do not have a point of thinking, consolidation problems do thousands of times, a little deformation do not know, it has been spent in mathematics For a long time, math scores have not been improved. This not only arouses students to reflect on their own learning methods, but also reminds teachers