一、新授课中重视培养思维的表象性教学中，教师只有按照学生的认识规律和新旧知识的内在联系，有序地引导学生积极地思考问题，就可以达到主动获取知识的同时培养学生思维能力的目的。例如：教学长方形的概念时，通过让学生观察课桌面、黑板面、书本面等，从中抽象出几何图形? First, the new teaching emphasis on training visual thinking teaching, teachers only in accordance with the rules of students and old and new knowledge of the inherent relationship between the orderly guide students to actively think about the problem, we can achieve the initiative to acquire knowledge while cultivating students' thinking skills the goal of. For example: When teaching the concept of a rectangle, by allowing students to observe the class desktop, blackboard, books, etc., abstracted from the geometry?