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随着新课改的不断深入,反例教学在初中数学教学中的重要性被越来越多的师生认可。在初中数学教学中,教师有意识地使用反例,加强对反例的构建方法的指导,可以培养学生思维的逻辑性,提高思维的全面性,增强学生思维的发散性及创新性。一、运用反例,深化理解,培养学生逻辑思维在初中数学教学中,常常出现一些理论知识和抽象思维。在讲授这些知识时,如果只从正面论述,初学的学生常
With the deepening of the new curriculum reform, the importance of counterexample teaching in junior high school mathematics teaching has been recognized by more and more teachers and students. In junior high school mathematics teaching, teachers consciously use counterexamples to strengthen the guidance of the construction of counterexamples, which can cultivate the logic of students ’thinking, improve the comprehensiveness of thinking and enhance the divergence and innovation of students’ thinking. First, the use of counterexamples, deepen understanding and cultivate students’ logical thinking In junior high school mathematics teaching, there often appear some theoretical knowledge and abstract thinking. In teaching this knowledge, if only from the positive discussion, beginner students often