数学知识具有抽象性,小学生认识事物以形象思维为主,这是学生认知过程中的一对矛盾。我在教学中,运用电教手段,依据学生的思维特点,结合教材内容和教学实际,为学生设计出丰富的感知材料,使学生从感知——理解的过程中思维能力得到相应的培养和发展。一、借助录音对学生进行表述能力的训练,培养学生思维的敏捷性。 Mathematical knowledge is abstract, primary school students recognize things as the main image, which is a pair of contradictions in the cognitive process of students. In my teaching, I used the method of audio-visual education, based on the thinking characteristics of students, combined with the teaching materials and teaching practice, designed for students a wealth of perceptual material, so that students from the cognitive - understanding of thinking in the process of appropriate training and development. First, with the recording of students’ presentation skills training, develop the agility of student thinking.