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有一次,到乡中心小学进行工作交流,在检查学生的数学作业时,发现不少学生有好多错题。把出现错误的情况进行分类,发现错误主要出现在以下几个方面:1、计算周长与计算面积混淆,搞不清楚是求面积还是求周长;2、长度单位与面积单位不分,两种单位混用;3、基本计算出错,在计算时数位对不起,因而出现计算错误;4、在单位换算时,是十进位还是百进位,出错较多。后来,我特意来到另一个班的自习课堂,这个班正好在自习
Once, I went to the township primary school for work exchange. When checking the students’ math homework, I found that many students had many mistakes. The classification of the occurrence of the error and found that the error mainly in the following areas: 1, calculate the perimeter and the calculation area confusion, do not know is the area or the perimeter; 2, the length of the unit and the area unit, two 3, the basic calculation error, counting in the calculation of the number of sorry, resulting in calculation error; 4, the unit conversion, decimal or hundred bits, more mistakes. Later, I deliberately came to another class self-study classroom, this class is studying