在初中数学新课导入中,利用电教媒体具有重要意义,能够直观形象地展示教学内容、激发学生学习兴趣、促进教学工作顺利开展。在教学中为了更好地利用电教媒体进行新课导入,需要根据教学内容采取相应的措施,创设情境、设置悬念、提出问题、建立表象、利用故事,从而调动学生学习热情,更好地开展教学工作。 In the junior middle school mathematics new class introduction, the use of audio-visual media is of great significance, to visualize the display of teaching content, stimulate students interest in learning and promote the smooth development of teaching work. In teaching, in order to make better use of audio-visual media to introduce new courses, it is necessary to take corresponding measures according to the teaching contents, create situations, set suspense, ask questions, establish appearances and use stories so as to arouse students’ learning enthusiasm and carry out teaching better jobs.