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一、教材简析“分数乘法”这部分内容是在学生掌握了整数乘法,分数的意义、性质以及分数加法等知识的基础上进行教学的.教材分为三部分:第一部分是分数乘以整数.第二部分是一个数乘以分数.第三部分是带分数乘法.主要内容包括以下十个知识点:1.分数乘以整数的意义.2.分数乘以整数的计算法则.3.一个数乘以分数的意义.4.整数乘以分数的计算法则.5.分数乘以分数的计算法则.6.求一个数的几分之几是多少的简单应用题和文字题.7.分数乘以分数的法则.8.带分数乘法和连乘.9.倒数的意义.10.求倒数的方法.
First, the textbook analysis “Multiplication of scores” This part is based on the students master the integer multiplication, the meaning of the scores, the nature and the addition of knowledge such as scores based on the teaching.The textbook is divided into three parts: The first part is the score multiplied by an integer . The second part is a number multiplied by the fraction. The third part is with fractional multiplication. The main contents include the following ten knowledge points: 1. The fraction multiplied by the meaning of integers .2. Multiplied by the meaning of the score .4 multiplication of integers by the fractional rule of calculation .5 fractional fractional calculation rule .6. Find a few fractions of a few is the number of simple application questions and text questions .7 fraction Multiplied by the law of fractions .8. With fractional multiplication and multiplication .9. The significance of countdown .10.