以前教“用字母表示数”一课时,发现学生对于这节课接受起来不容易,授课效果不理想,所有教过这节课的教师都这么认为:这么简单的问题为什么会如此的难以接受呢?这引起了我的思考。根据工作安排,前年我开始教一年级,(以前我只教高年级)在学完加法的初步认识以后,我突发奇想,出了个题目:“小明有a个本子,小红有o个本子,他们 In the past, when teaching a class with letters, I found that it was not easy for students to accept this class and did not give satisfactory results. All the teachers who taught this class think that such a simple problem is so difficult Accepted? This aroused my thinking. According to the work arrangement, I started teaching the first year two years ago the year before (I used to teach only the upper grades). After learning the initial understanding of the addition law, I came up with a whim and made a question: ”Xiao Ming has a book, Xiao Hong has o The book, they