The combination of multimedia technology and the characteristics of mathematics can make classroom teaching break through the limits of time and space, thus becoming a three-dimensional construction process and system and making the forms of teaching more vivid, diversified and visual, which is conducive to fully revealing the formatio n and development of mathematical concepts. It can change the simple reception-based learning in traditional teaching, give stud ents certain space for free exploration, and guide students to develop from multidimen-sional aspects as a subjective role by using what they learned, so as to make students learn autonomous and inquiry study. There-fore, the effective application of multimedia in primary school mathematics teaching can not only help to improve teaching effi-ciency, but also improve students' information literacy and com-prehensive ability.%多媒体技术和数学教学的学科特点结合起来，使课堂教学突破时空的限制，成为一个立体构建的过程和体系，这样就可以使教学的表现形式更加形象化、多样化、视觉化，有利于充分揭示数学概念的形成与发展，改变了传统教学中单纯的接受式学习，给学生一定的自由探索的空间，引导学生用自己学过的知识以主体的身份多维地发展，让学生学会自主、探究式地学习。因此，多媒体技术在小学数学教学中的有效应用，不仅有利于提高教学效率，也有助于提高学生的信息素养和综合能力。
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