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新课程改革以来一直呼吁学生以探究的方式主动参与到数学学习过程中。笔者认为制造学生的认知冲突是提升学生主动参与热情、发展思维深度的必然选择。下面结合笔者自身教学以及听课中的成功教学案例谈谈如何在数学课堂教学中进行认知冲突的有效创设。一、在悬念设置中引发认知冲突,唤醒学生思维【案例1】执教“认识厘米”导入时的教学片断。黑猫警长捉住“一只耳”后交代宝物藏在石头正南方4脚长的地方。黑猫警长顺利找到石头,并在正南方4脚长的
The new curriculum reform has been calling for students to take the initiative to participate in the process of learning mathematics. I believe that the cognitive conflict is to create students to enhance students’ enthusiasm to participate in the initiative to develop the depth of thinking the inevitable choice. The following combination of the author’s own teaching and teaching success stories to talk about how to effectively create cognitive conflicts in mathematics classroom teaching. First, suspense set trigger cognitive conflicts, awaken the students thinking [Case 1] coaching “understanding centimeter ” into the teaching piece. Black cat sergeant caught “one ear ” after the account of treasure hidden in the south of the stone 4 feet long place. Black Sheriff successfully found the stone, and 4 feet long in the south