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本设计的教学内容是小学数学第九册 (义务教育人教版 )第 66页例 1。教学的目的是使学生掌握分数除以整数的计算法则，并能应用法则进行计算。教学程序如下： 一、前提测评 1．口算： × 25× 0× × 2．什么叫做倒数 ?说出下面各数的倒数： 0 1 8 10 12 3
The design of teaching content is the ninth grade primary school (compulsory education PEP) 第 66 页 Example 1. The purpose of teaching is to enable students to grasp the rules of division of scores by integers, and to apply the rules for calculation. Teaching procedures are as follows: First, the premise evaluation 1. Mouth calculation: × 25 × 0 × × 2. What is the reciprocal? Say the reciprocal of each of the following numbers: 0 1 8 10 12 3