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所谓认知冲突,即主体意识到外在信息与认知结构存在矛盾,亦或意识到认知结构中某一成分有内在矛盾。在学习过程中,学生需在新旧与旧知的相互作用下,不断丰富与充实已有认知结构。所以,在初中数学教学中,教师应研读教材,把握知识内涵,然后找出认知冲突切入点,由不同方面展开设置,以激发学生认知冲突,引导学生多角度、全方位看待问
The so-called cognitive conflict, that is, the subject recognizes the contradiction between the external information and the cognitive structure, or realizes that there is an inherent contradiction in a component of the cognitive structure. In the learning process, students need to continuously enrich and enrich the existing cognitive structure under the interaction of old and new knowledge. Therefore, in the junior middle school mathematics teaching, teachers should study the teaching materials, grasp the knowledge content, and then find out the starting point of cognitive conflict, and set up different aspects to stimulate students’ cognition and conflict, guide students to take a multi-angle, all-round view to ask