目前,我国课程标准改革正在如火如荼的开展中,各种新型教学媒体出现在大众的视野里面。其中,电教手段以其强大的直观性与交互性引起了教师的注意。电教手段就是指教师运用适当的电教媒体根据具体的内容进行教学,以达到激发学生学习兴趣、提高学生学习效率的目的。在本篇文章中,笔者就目前小学数学的教学现状,来简要谈谈如何运用电教手段在小学的数学教学中开展有效的例题教学活动。 At present, the reform of curriculum standards in our country is being carried out in full swing, and various new types of teaching media appear in the public’s perspective. Among them, the means of audio-visual arouse teachers’ attention with its strong intuition and interactivity. Audio-visual means refers to the teacher using the appropriate audio-visual media according to the specific content of teaching, in order to stimulate students interest in learning, improve student learning efficiency. In this article, the author of the current status of primary school mathematics teaching, to briefly talk about how to use the means of teaching audio-visual teaching in primary schools to carry out an effective case teaching activities.