学生在学习数学过程中,常常出现效率低、成绩差,进而学习信心不足等问题。在以往的教学中,教师往往认为强调强度和时间占用是提高成绩的有效手段;认为“题型覆盖,精讲多练,重复训练”是提高解题能力的唯一有效手段,致使课本上的内容教师不讲,学生就不会,使得书上有的东西教师都 Students in the process of learning mathematics, often inefficient, poor grades, thus learning lack of confidence and other issues. In the past teaching, teachers often think that emphasizing the intensity and time occupation is an effective way to improve their performance. They think that “the type of questions covered, the essence of practice and the repetition of training” are the only effective ways to improve the ability to solve problems, The content teacher does not speak, the student will not, make the book some things teachers are