论文部分内容阅读
【教学内容】新人教版数学六年级上册第28页例1及练习六。【教学目标】1.通过学习使学生理解倒数的意义表示的是两个数之间的关系,它不是孤立存在的;掌握求倒数的方法,能正确地求出一个数的倒数;知道“0”没有倒数,“1”的倒数还是“1”;会求小数、分数的倒数。2.学生根据自己的理解,发现求倒数的方法,可以用两个数的乘积是1或调换分子和分母的位置等,培养学生举例、观察、比较、概括能力。
Teaching content】 【PEP teaching mathematics sixth grade on the 28th page Example 1 and practice six. Teaching Objectives 1. To make students understand the meaning of countdown through learning is the relationship between the two numbers, it does not exist in isolation; grasp the method of reciprocal count, can correctly calculate the reciprocal of a number; know 0 “does not count down, ” 1 “countdown or ” 1 "; will find the decimal, fractional countdown. 2. Students according to their own understanding, find the reciprocal method, you can use the product of two numbers is 1 or the exchange of numerator and denominator position, etc., to train students to example, observation, comparison, summarize the ability.