“高中数学难学”是很多高中学生的共同感受,有的学生花费了大量的时间在数学上,但收效甚微,还有的学生初中数学成绩很好,到了高中,数学成绩却直线下降,因而对数学产生了畏难情绪,丧失了学习数学的兴趣和热情,甚至怀疑自己的能力,影响到其他课程的学习.在十多年的高中数学教学实践中,我通过观察总结以及和很多学生交流,发现影响学生学习成绩的行为误区有如下几种. “High school mathematics is difficult to learn” is the common feeling of many high school students. Some students spend a lot of time on mathematics, but with little success. Others have good grades in junior high school mathematics. In high school, mathematics performance is straightforward. As a result, I fell in fear of mathematics, lost my interest and enthusiasm in learning mathematics, and even doubted my ability to influence the study of other courses. In more than a decade of high school mathematics teaching practice, I observed and summarized Students communicate and discover the following misunderstandings that affect students’ academic performance.