电教媒体能够有效地为学生提供感性材料,化静为动,化抽象为具体。电教媒体在小学数学课堂教学中合理科学地运用,不但能激发学生的学习兴趣,也能充分地引起好奇心,使他们勇于积极地探索未知的新领域,而且对于扩大小学数学课堂教学的容量和提高老师的课堂教学效率有着很大的帮助。 Audio-visual media can effectively provide students with perceptual material, static and dynamic, abstraction as a concrete. Audio-visual media in the primary school mathematics classroom teaching reasonable and scientific use, not only can stimulate students interest in learning, but also fully aroused curiosity, so that they are brave to actively explore unknown new areas, but also to expand the capacity of primary school mathematics classroom teaching and Improve the teacher’s classroom teaching efficiency is very helpful.