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《新标准》中把小学数学分成“数与代数,图形与几何,统计与概率,综合与实践”这四个学段目标。从整体看,不论是哪一学段目标,都离不开计算,在小学学段,计算教学更是贯穿于数学教学的全过程,可见计算教学的重要性。因此培养学生准确、迅速、多样的计算能力是小学数学教学的一项重要任务。小学生计算出错的原因可能有如下三种原因:一是态度轻视。学生在做计算题时,普遍有轻视的态度,一些计
In the “new standard”, elementary mathematics is divided into four periods of “number and algebra, graph and geometry, statistics and probability, synthesis and practice.” As a whole, regardless of the target of a certain academic year, it is inseparable from the calculation. In the primary school academic year, calculation teaching runs through the whole process of mathematics teaching, showing the importance of calculating teaching. Therefore, training students accurate, rapid and diverse computing power is an important task in primary school mathematics teaching. There are three possible reasons for pupils to make mistakes: one is attitude contempt. When students do calculation problems, generally have a contempt attitude, some calculations