数学教学,实质上是数学思维活动的教学,是在教师的主导作用下学生通过实践认识从而掌握知识,同时获得能力的认识过程。下面通过“直角三角形的性质”一课时的教学,谈谈怎样在课堂教学中对学生进行思维能力的训练和培养。第一步:复习旧知,设疑引趣师:前面,我已经学习过等腰三角形,正因为等腰三角形有两 Mathematics teaching is essentially a teaching of mathematical thinking activities. It is a process of students’ mastery of knowledge and acquisition of ability through the practice of cognition under the leading role of teachers. The following through the “the nature of a right triangle ” class teaching, talk about how to train students in thinking and teaching in the classroom. The first step: Review of the old knowledge, set the suspect Attracting Fun Division: In front of, I have learned isosceles triangle, because the isosceles triangle has two