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计算贯穿于小学数学教学的全过程,计算能力的高低,直接影响学习数学的能力。计算错误主要有两方面的原因:一方面是技术性的,即原理不清,概念混淆;另一方面是感性方面的,注意力不够集中、运算粗心造成的。在教学中,通过培养口算能力、理解算理、培养良好习惯和科学组织练习等方法来提高学生的计算能力。
Computation runs through the whole process of elementary mathematics teaching to calculate the level of ability, a direct impact on the ability to learn mathematics. There are mainly two reasons for the calculation error: one is technical, that is, the principle is unclear, the concept of confusion; the other hand, the emotional side, attention is not enough concentration, the careless care caused. In teaching, students’ computational skills are improved by cultivating their ability to speak, understanding arithmetic, cultivating good habits and organizing scientific practice.