教学目的: 1.使学生理解、掌握乘,除法的定义及互为逆运算的关系,并能用语言表达和举例说明。 2.培养学生自学能力。教学方法: 由学生独立地运用已有知识进行联想,自己总结知识结构、独立探索结论。教学重难点: 学生自己获取乘、除法互为逆运算关系的过程。教学过程: 第一层次:明确学习内容一、明确所学内容:板书课题——乘、除法的关 Teaching Objectives: 1. To enable students to understand and grasp the definition of multiplication and division and the relationship between the inverse of each other, and can use language to express and illustrate. 2. develop students self-learning ability. Teaching methods: Students independently use the existing knowledge association, summarize their own knowledge structure, to independently explore the conclusions. Teaching heavy and difficult: students get multiply, divide each other inverse relationship between the process. Teaching process: The first level: a clear learning content First, a clear what to learn: blackboard topic - multiplication, division of the off