《数学课程标准》要求教师重视运用现代信息技术,把现代信息技术作为学生学习数学和解决问题的强有力工具,致力于改变学生的学习方式,使学生乐意并有更多的精力投入到现实的、探索性的数学活动中去。从课堂教学的实践来看,运用多媒体能促进学生主动参与,让学生掌握关键知识,提高学生学习的成功率,从而更好地提高小学数学课堂教学的有效性。 The Mathematics Curriculum Standard requires teachers to attach importance to the use of modern information technology, modern information technology as a powerful tool for students to learn maths and solve problems, devote themselves to changing the way students learn, make students more willing and devote more energy to reality , Exploratory mathematical activities to go. From the perspective of classroom teaching practice, the use of multimedia can promote students ’active participation, enable students to master the key knowledge and improve the success rate of students’ learning so as to improve the effectiveness of primary school mathematics classroom teaching.