学生由初中升入高中后,普遍认为数学难学,课上能够听懂,但完成作业的质量就是不高,考试成绩不理想.为什么会出现这种“听得懂,做不对”的现象呢?在初中的课堂教学中,由于内容少、难度小,老师可以反复讲、学生反复练.而高中每堂课的内容都较多、难度也较大,教师的讲解不可能面面去到,只能做到讲解重点、难点,然后由学生自己去思考完成,并逐步学会“举一反三”.所以,笔者认为要想克服“听得懂,做不对”这一现象,练与 Students from junior high school to high school generally agree that mathematics is hard to learn and can understand in class, but the quality of the finished homework is not high, and the test scores are not satisfactory. Why does this happen? Phenomenon? In junior high school classroom teaching, due to less content, the difficulty is small, the teacher can repeatedly say, the students repeatedly practice the content of each class are more high school, more difficult, the teacher can not explain the face to face To, can only be done to explain the key, difficult, and then by the students themselves to think about the completion, and gradually learn In order to overcome the phenomenon of “understand, do not right ” versus