小学数学是义务教育的一门重要学科。培养学生能力是数学教学的重要任务之一。小学数学教学中,计算占有很大比例,它是学好数学的基础。因此,计算熟练正确,对以后的学习有很多重要的作用,而培养学生良好的学习习惯,是减少计算错误的重要保证。许多小学生出现的计算错误的原因是多方面的。计算法则未掌握造成的仅占一小部分,而大多数是由一些不良的心理素质及不良计算习惯所导致的。 Primary school mathematics is an important subject of compulsory education. Training students’ ability is one of the important tasks of mathematics teaching. Primary mathematics teaching, accounting for a large proportion, it is to learn mathematics. Therefore, the calculation is proficient and correct, which has many important functions for future study. Cultivating students’ good study habits is an important guarantee to reduce calculation errors. Many primary school students appear to be miscalculated for many reasons. Computation of the law did not grasp only a small part, but most of them are caused by some bad psychological quality and bad computing habits.