论文部分内容阅读
案例回放:课件出示题目:小红做了12朵红花,小明做了9朵。小明至少还要做几朵,才能超过小红?问:怎么解决这个问题?谁来说说你是怎么想的?不一会儿,全班好多学生都举手了。生1:12-9=3(朵),小明至少还要做3朵,才能超过小红。愣了一下赶紧问学生同意吗,大部分学生都点点头。思索了一下,如果硬要把我的方法教给学生,学生未必就学得好,倒不如把难题交给他们自己去解决。于是我就说:“谁能想方法证明这个答案是正确的?”生2:用小棒摆。刚开始学生摆得有点乱,我便问学生:“怎样摆能让大家看得更
Case Playback: Courseware Title: Little Red made 12 safflower, Xiaoming made 9. Xiao Ming at least have to do a few more than the red? Q: how to solve this problem? Who say what you think? A moment later, the whole class a lot of students raised their hands. Health 1: 12-9 = 3 (flower), Xiao Ming at least 3 to be done, in order to exceed the red. Suddenly asked the students to agree, most students nodded. Thinking for a moment, if you insist on teaching my method to students, students may not learn well, so it is better to give the problem to themselves. So I said: ”Who can think of ways to prove that the answer is correct?“ ”Health 2: put a small rod. At the beginning, students were a bit confused, I asked the students: "How to make everyone see more