《小学数学课程标准》明确指出:一切有条件和能够创造条件的学校,都应利用计算机、多媒体、互联网等信息技术的优势,为学生的学习和发展提供丰富多彩的教育环境和有力的学习工具。交互式电子白板作为新型的现代教育技术手段走进课堂,为学生提供了更为丰富的学习资源,极大地改变了课堂中的学习气氛,这对发展学生的创新精神和现代意识非常有利,为教师优化数学课堂教学提供了不可多得的工具。电子白板出现在我们的课堂已是两年前的事,但许多教师对于电子白板的使用却一直把它当作屏幕,让学生有一个直观的 The Primary Mathematics Curriculum Standard clearly states that all schools that are qualified and able to create conditions should make use of the advantages of information technology such as computers, multimedia and the Internet to provide a rich and colorful educational environment and effective learning tools for students’ learning and development . As a new type of modern educational technology, interactive whiteboards enter classrooms, providing students with more abundant learning resources and greatly changing the learning atmosphere in the classroom. This is very beneficial for developing students’ innovative spirit and modern consciousness. Teachers optimize mathematical classroom teaching provides a rare tool. The whiteboard appeared in our class two years ago, but many teachers use the whiteboard as a screen, giving the students an intuitive