计算教学是小学数学教学中重要的组成部分,是培养学生养成良好的学习习惯,形成健康的心理品质的重要手段,但小学生在计算过程中由于各方面的原因,往往会出现这样、那样的错误。下面就中年级计算教学中,学生经常出错的原因及对策,从以下三方面进行简单分析。一、四则混合运算主 Computational teaching is an important part of primary school mathematics teaching, it is an important means to train students to develop good study habits and form healthy psychological quality. However, primary school students often appear in the process of calculation because of various reasons error. The following middle-grade calculation of teaching, students often go wrong reasons and countermeasures, from the following three simple analysis. One or four hybrid computing master