我是教四、五年级数学的教师。过去,我一直认为,口算是低年级的事,与高年级无关。本学期,教圆、圆柱、圆锥这部份内容时,许多学生计算能力差,常把题算错。我带着试试看的想法。着手抓口算训练,意外地取得了一些成效,尝到了抓口算训练l钧甜头后,我认识到,口算训练不仅低年级要抓,高年级也要抓。我是怎样抓口算训练的呢 I am a teacher of mathematics teaching fourth and fifth grade. In the past, I always thought that I was a member of the lower grades and had nothing to do with the upper grades. This semester, teaching circle, column, cone this part of the content, many students poor computing skills, often the title of the wrong. I took a try of the idea. Beginning to grasp the mouth count training, unexpectedly achieved some results, tasted the catch count count training l Jun sweet, I realized that the mouth count training not only to grasp the lower grades, senior also have to grasp. How do I grasp the training?