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概念教学是小学数学教学中的一个难点,具有高度的抽象性。通过为学生创造丰富的感性材料,引导学生进行深入地研究和讨论;通过操作与演示,让学生以自己的亲身体验来获得丰富的感性认识,促进概念的形成;让学生推理、说理来再现概念的形成过程,深刻理解概念的内涵;采用不同的教学形式,通过分化比较、强化区别,能过获得较好的教学效果。
Concept teaching is a difficult point in elementary mathematics teaching, with a high degree of abstraction. Through the creation of rich sensory materials for students to guide students to conduct in-depth research and discussion; Through the operation and demonstration, so that students experience with their own to get a wealth of perceptual knowledge and promote the formation of concepts; allow students to reason and reason to reproduce the concept The formation process, a profound understanding of the connotation of the concept; using different teaching forms, through the differentiation and comparison, to strengthen the distinction, can get better teaching results.