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在数学概念的教学中在数学概念的教学中,教师要关注概念的实际背景与形成过程,帮助学生克服机械记忆概念的学习方式式,艺术地引发学生主动参与概念的生成过程,实现概念内涵的自主建构,从而促进学生的认知发展。“图形的放大与缩小”是对图形世界中的数量关系和空间形式本质特征的反映,它的形成过程和结果都是抽象的,而小学生以形象思维为主。因此,教学这一内容应
In the teaching of mathematical concepts, in the teaching of mathematical concepts, teachers should pay attention to the actual background and formation process of concepts, help students to overcome the learning mode of mechanical memory concept, stimulate students to take the initiative to participate in the formation of concepts, and realize the connotation of concepts Self-construction, thereby promoting the cognitive development of students. “The enlargement and reduction of graphics ” is a reflection of the quantitative relationship and the essential characteristics of the spatial form in the graphic world. Its formation process and result are abstract, while the primary students mainly consider the image thinking. Therefore, the content of teaching should be