一、教学预设1.教学标准(1)通过本课时复习,帮助学生回顾、梳理本章的知识点,学生能系统地认识本章内容,构建知识结构框图,综合运用所学知识解决具体问题;(2)让学生进一步体会随机现象与概率的意义,把握古典概型与几何概型的特征,让学生进一步学会把一些实际问题化为古典概型或几何概型求概率;(3)让学生进一步领悟解决概率问题时常用的数 First, teaching prerequisites 1. Teaching standards (1) Through this class review, to help students review and sort out the knowledge of this chapter, students can systematically understand the contents of this chapter, building a knowledge structure block diagram, comprehensive use of the knowledge learned to solve specific problems; 2) Let students further understand the meaning of stochastic phenomena and probabilities, grasp the characteristics of classical patterns and geometric patterns so that students can further learn to turn some actual problems into classical probabilities or geometric probabilities; (3) Understand the number of commonly used to solve the probability problem