前些天,笔者在淄博师专附小执教了一堂教学内容为“有关计划与实际比较的应用题”的课。当时课上出现了这样一幕:通过师生谈话,创设问题情境,出示问题:学校食堂运来1吨煤,计划烧40天。由于改进炉灶,每天节省5千克,这批煤可以烧多少天?学生读题,然后独立尝试解决。教师巡视后指 A few days ago, I Zibo instructor with a small coaching teaching content as “the application of the plan and the actual comparison of” class. At that time, there was a scene like this: Through the teacher-student talk, we found the problem situation and showed the question: The school cafeteria shipped 1 ton of coal and planned to burn it for 40 days. As a result of improving the stove, save 5 kilograms per day, how many days can this batch of coal burn? Students read the questions, and then try to solve independently. After the tour instructed teachers