目前,一些中考数学成绩很好的学生升入高中后,由于不太适应高中数学的教与学,相当多的学生数学不及格,两极分化日趋严重,有部分学生甚至失去了学习数学的信心.造成这些现象的主要原因是这些同学不了解初高中数学学习的差异,用初中的学法学习高中数学,导致成绩滑坡.笔者通过问卷调查、座谈、观察、家访等方 At present, some students with good senior high school entrance exams have not been able to meet the teaching and learning of mathematics in high school after passing into high school. A great number of students fail in mathematics and their polarization has worsened day by day. Some students even lose their confidence in learning mathematics. The main reason for these phenomena is that these students did not understand the difference of junior high school mathematics learning, junior high school mathematics learning high school, leading to decline in performance.The author through the questionnaire, discussion, observation, home visits and other parties