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在教学二年级下册的笔算中,一位学生的计算错误频率高得令我惊讶,同时也引起了我的特别关注,发现只要是进位或退位的笔算,错误就百发百中,那么错误的原因究竟是什么呢?罪魁祸首居然是——从高位算起的不良计算习惯。于是对该学生的习惯进行纠正,效果均不理想,仅在教师当面告知时稍有成效,独自作业时仍习以为常地从高位算起。原因分析:什么原因造就了学生“习以为常的错误”呢?我对竖式计算教学进行了纵向分析,发现学生初次接触竖式是在一年级下册,分
In the calculation of the second grade of teaching, one student surprised me by the high frequency of calculation errors. At the same time, he also aroused my special attention and found that as long as it is a carry-on or abdication-type calculation, the mistake is in every possible solution. What is it? The culprit is actually - from the high calculation of bad habits. As a result, the student’s habits were corrected and the results were unsatisfactory. Only when the teachers informed them were they were slightly effective, they still accustomed to going from high position alone. Analysis of reasons: What causes students “habitual mistake ”? I conducted a vertical analysis of teaching vertical calculation and found that the initial contact with students is in the first grade,