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逆向思维是学生解题能力中的重要策略,影响着学生的解题速度和解题技巧的发展。逆向思维并不以具体的案例呈现,而是渗透在具体的数学实践中,教师如何紧扣逆向思维的内涵特点,有效搭建探究平台,从而助力学生获得逆向思维能力的发展呢?本文从挖掘逆向思维培养素材,灵性培养逆向思维;系统渗透逆向思维训练,灵性培养逆向思维;巧依托分析法与反证法,灵性培养逆向思维三个方面进行阐述。
Reverse thinking is an important strategy in the students ’ability to solve problems, affecting the students’ problem-solving speed and the development of problem-solving skills. Reverse thinking is not presented in concrete cases, but infiltration in specific mathematical practice. How teachers should closely follow the connotation and characteristics of reverse thinking and build an effective exploration platform to help students gain the development of reverse thinking skills? Thinking training material, spiritual training reverse thinking; system penetration reverse thinking training, spiritual training of reverse thinking; skillfully rely on analysis and proof, spiritual development of reverse thinking three aspects.