《数学课程标准》提出:“结合相关内容的教学,培养学生进行初步的分析、综合、比较、抽象、概括的能力,学会对简单的问题进行判断、推理,逐步学会有条理、有根据的思考问题,同时注意思维的敏捷性和灵活性。”“数学是思维的体操”。培养和发展学生的思维是数学教学的宗旨,也是我们教育工作者的 The standard of mathematics curriculum puts forward: “Combining the teaching of relevant contents, training students to carry out preliminary analysis, synthesis, comparison, abstraction, general ability, learn to judge simple problems, reasoning, and gradually learn a structured, well-founded Think about the problem, while paying attention to the agility and flexibility of thinking. ”“ Mathematics is the gym of thinking. ” Cultivating and developing students’ thinking is the aim of mathematics teaching as well as our educators