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备课是教师实施课堂教学的前提和基础,除了根据学生实际考虑教法外,重要的任务就是钻研教材.通过钻研教材,教师可以理解编者意图,领悟教材实质,全面地把握知识体系,并对课本知识进行梳理.下面就一节几何概型课的教改尝试,谈谈如何钻研教材的体会.题目(普通高中数学课程标准第30页例3.人教A版必修3第139页例3)在图1所示的图中随机撒一大把豆子(可以利用计算器、计
The lesson preparation is a prerequisite and foundation for teachers to implement classroom teaching, except that the students should consider the teaching of law in addition to the actual teaching, and the important task is to study the textbooks. By studying the textbooks, teachers can understand the intent of the editors, comprehend the essence of the teaching materials, comprehensively grasp the knowledge system, Knowledge to sort out the following section on a geometric model of the teaching reform attempt to talk about how to learn textbook experience. (Standard high school mathematics curriculum page 30 Example 3. People teach A version of the compulsory 3 page 139 Example 3) Figure 1 shows a random scatter a lot of beans (you can use the calculator, meter