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美国著名数学教育家波利亚说过,掌握数学就意味着要善于思考善于解题。而当我们解题遇到问题时,就需要我们回顾旧识,寻找相关知识点,灵活地加以运用。这需要学生对学过的知识有比较深刻印象。因此,如何巧妙设计数学课堂,使学生清晰地掌握知识点的来龙去脉,从而加深对知识点的印象及认识至关重要。教学实践是最宝贵的经验的来源,就如何加深学生对知识点的印象,我从教学实践中做如下总结:一、矛盾法以矛盾引发学生认知冲突,进而引导学生发现问题、
Polly, a famous American mathematical educator, said that mastering mathematics means being good at thinking and good at solving problems. When we solve the problem, we need to review the old knowledge, find relevant knowledge points, and flexibly apply it. This requires that students have a deep impression on the learned knowledge. Therefore, how to skillfully design mathematics classrooms so that students can clearly grasp the ins and outs of knowledge points and thus deepen their knowledge and understanding of knowledge points is of crucial importance. Teaching practice is the source of the most valuable experience. On how to deepen the students ’impression of knowledge point, I make the following summary from the teaching practice: First, the contradictory law leads to students’ cognitive conflicts by contradiction, and then guides the students to discover the problems.