计算的正确率低是我们小学阶段存在的一个严重问题,特别是小学中、高年级,随着小数、分数的出现,学生计算的正确率更是大幅度下降。对于这些问题的出现,多数教师认为是学生粗心大意所致,但仔细分析我们就不难发现,学生的“粗心大意”只不过是一种表面现象,其本质原因并非如此。现结合自己积累 The low accuracy of the calculation is a serious problem in our primary school. Especially in the middle and primary schools, with the advent of fractional and fractional scores, the accuracy of the students' calculations has dropped sharply. For the emergence of these problems, most teachers think it is due to carelessness of the students. However, if we analyze them carefully, it is not hard to find out that the students' “carelessness” is only a superficial phenomenon. The essential reason is not the case. Now combined with their own accumulation