数学课堂教学效率的高低与教师的课堂教学方法是否科学、合理有直接关系。要提高数学课堂教学效率,就要优化课堂教学方法,尤其要精心设计课堂导入的方法,因为课堂导入是课堂教学经常使用的一种手段,合理、灵活变化多样的课堂导入可以激发学生的兴趣,活跃学生的思维,培养 The efficiency of mathematics classroom teaching is directly related to whether the teacher’s classroom teaching method is scientific and reasonable. To improve the efficiency of mathematics classroom teaching, it is necessary to optimize classroom teaching methods, especially to carefully design the method of classroom introduction, because classroom introduction is often used as a means of classroom teaching, and reasonable, flexible and varied classroom introduction can stimulate students’ interest. Active student thinking, training