《普通高中数学课程标准实验》指出:“学生对数学概念、结论、技能的学习不应只限于接受、记忆、模仿和练习,还要提倡自主探索、动手实践、合作交流、阅读自学等学习数学的方式.这些方式有助于发挥学生学习的主观能动性,使学生的学习过程成为在教师引导下的‘再创造’过程”.这就要求教师要改变课堂上“老师讲,学生听”的单一授课方式,通过多种教学 The standard high school mathematics curriculum experiment states: “Students should not only accept, remember, imitate and practice mathematics concepts, conclusions and skills, but also promote self-exploration, hands-on practice, cooperation and exchange and reading self-study. Mathematics way.These ways help to play the subjective initiative of the student learning, make the student’s learning process become the teacher’s guidance ’re-creation’ process.This requires the teacher to change the classroom ”A single teaching method, through a variety of teaching