论文部分内容阅读
教学背景苏科版数学教材九年级上册第四章“一元二次方程的应用”中的利润问题是学生觉得较难的问题,他们往往因为缺乏生活经验,不理解在具体情境中利润类问题中的数量关系,对这类问题束手无策、容易出错.本节课进行尝试,力图攻克这个难点,让学生们知道解决市场销售问题中的一般规律和方法.教学过程师:这节课,我们一起走进商场,来探究商场利润问题.师出示:(简单的小问题)一件衣服进价为40元,售价为60元,则每件衣服的利润为
Teaching background Suke version of mathematics textbook ninth grade on the fourth chapter “the application of a quadratic equation ” in the profit problem is the students feel more difficult problems, they often because of the lack of life experience, do not understand in specific contexts profit class The number of problems in the relationship, helpless on these issues, easy to make mistakes.This lesson to try to overcome this difficulty, so that students know to solve the general rules and methods of marketing problems. Teaching Processors: This lesson, we Together into the mall, to explore the issue of mall profits. Division shows: (a simple problem) a clothing purchase price of 40 yuan, the price is 60 yuan, the profit of each piece of clothing is