电教媒体从20世纪80年代起步,90年代普及,到新世纪初的日趋成熟,其间伴随着基础教育课程改革新理念的产生,它与课堂教学改革密切相关,同时也为教师的个性化教学提供了更为广阔的平台。只有走出数学电教媒体使用的误区,才能更好地发挥其高效、便捷的功能,才能更好地服务于数学课堂。 Audio-visual media started from the 1980s, popularized in the 90s, and matured to the beginning of the new century, accompanied by the emergence of new concepts in the curriculum reform of basic education. It is closely related to classroom teaching reform and also provides teachers with individualized teaching A broader platform. Only out of the misunderstanding of the use of mathematical audio-visual media in order to better play its efficient and convenient functions to better serve the mathematics classroom.