随着科学技术的进步,能力问题日益引起我国教育界的关注。在数学教学中,如何把传授知识与培养学生的能力结合起来,已成为每个数学教师研讨的问题。下面结合初中平面几何“对顶角”一节的讲授,谈谈笔者的想法。在讲解“对顶角相等”这一性质时,可让学生每人画一对对顶角,然后用量角器度量它们的大小。大部分学生度量的结果是量数一样,并进而得出“对顶角相等”这一结论。这样做可以培养学生的发现能力。当然,也会有少部分同学度量的结果可 With the advancement of science and technology, the issue of competence has increasingly attracted the attention of the educational community in China. In mathematics teaching, how to combine the transfer of knowledge with the ability to develop students has become a question for each mathematics teacher. In the following, we will discuss the author’s thoughts in connection with the teaching of the section on the vertical angle of the plane geometry of junior middle school. When explaining the nature of “equal angles”, students are allowed to draw pairs of vertices each and then measure their size with a protractor. Most students measure the same amount of results, and then come to the conclusion that “the angle is equal.” Doing so can cultivate students’ ability to discover. Of course, there will be a small number of students measuring the results