“粉刷墙壁”选自义务教育课程标准实验教科书(北师大版)六年级上册.粉刷墙壁是现实生活中的常见事,本节课针对这个问题让学生经历了如何计算粉刷墙壁的面积和需要多少涂料,如何购买才会省钱等问题的解决过程,让学生领悟到粉刷墙壁的面积是指不包括门、窗、地面的面积,同时培养 The “painted walls” are selected from the compulsory education curriculum standard experiment textbook (Beijing Normal University Edition) in the sixth grade. The painting wall is a common thing in the real life. This lesson is for students to experience how to calculate the area and need of painting the walls. How many paints, how to purchase will save money and other issues to solve the problem, so that students realize that the area of ​​painted walls does not include the area of ​​doors, windows, floors, while training