小学数学课堂教学是素质教育的主阵地之一,要使课堂教学达到优化、高效,真正使每个学生都能主动、生动活泼地发展,教育技术手段的现代化是关键之一。多媒体教学以生动直观的形象,帮助学生建立起概念与表象之间的联系,建立起各种感觉器官之间的联系。使抽象的数学问题具体化,枯燥的数学问题趣味化, Primary school mathematics classroom teaching is one of the main positions in quality education. In order to make the classroom teaching optimize and efficient, each student should be able to actively and vividly develop. The modernization of educational technology is one of the keys. Multimedia teaching to vivid and intuitive image, to help students establish the connection between concepts and appearance, to establish a variety of sensory organs of the link. To abstract the mathematical problems of concrete, boring mathematical problems interesting,