在新课程改革的背景下,多媒体教学被越来越多的在课堂上使用,运用现代多媒体辅助教学已成为时代的需要,教学改革的需要。而且将会带来教育理念、教学内容、教学模式和教学过程的深刻变革。数学学习是抽象和枯燥乏味的,为了调动学生学习的积极性和自主性,营造一个轻松愉悦的教学氛围,在小学数学课堂教学中,合理运用多媒体进行有效的教学,有利于激发学生的学习兴趣,能够更加有效的处理好事物间大与小,动与静,快与慢,局部与整体的关系,能吸引学生的注意力, In the context of the new curriculum reform, multimedia teaching is more and more used in the classroom. The use of modern multimedia aided teaching has become the needs of the times, the need of teaching reform. But also bring profound changes in educational philosophy, teaching content, teaching mode and teaching process. In order to mobilize the enthusiasm and autonomy of student learning and to create a relaxing and enjoyable teaching atmosphere, the rational use of multimedia for effective teaching in primary school mathematics classroom teaching is conducive to stimulating students’ interest in learning, To be able to deal with things more effectively between big and small, dynamic and static, fast and slow, the relationship between the local and the whole, to attract students’ attention,