在数学教学中,教师根据课堂情况、学生的心理状态和教学内容的不同,适时地提出经过精心设计、目的明确的问题,这对启发学生的积极思维和学好数学有很大的作用。引言的好坏往往直接影响着整堂课的教学效果,好的引言可以集中学生的注意力,激发他们的学习动机,调动学生的学习积极性,使学生听课能抓住重点,产生强烈的求知欲望。一、本人通过实践认为以下几种引入的方法比较适合 In mathematics teaching, teachers put forward carefully designed and purposeful questions in a timely manner according to the situation of the classroom, the students 'psychological state and the teaching content, which plays a great role in enlightening students' positive thinking and learning mathematics. The quality of the introduction often has a direct impact on the teaching effectiveness of the whole class. A good introduction can concentrate the students' attention, stimulate their motivation to learn, arouse their enthusiasm for learning, enable the students to grasp the key points in their lectures, and generate a strong desire for knowledge . First, I think through the practice of the following methods introduced more appropriate