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计算是小学生必须掌握的一项重要的技能,也是学生后续学习的基础。计算教学不仅要使学生能够正确地进行四则运算,还要使学生能够根据数据的特点,恰当地运用运算定律和运算性质,选择合理灵活的计算方法和计算过程使计算简便。这样做,既能培养学生的观察能力、注意力和记忆力,又能发展学生思维的灵敏性和灵活性。
Computation is an important skill that pupils must master and also the basis for follow-up study. Computation teaching should not only enable students to correctly carry out four arithmetic operations, but also enable students to make appropriate use of the laws of computation and the nature of computations according to the characteristics of the data, and select reasonable and flexible calculation methods and calculation procedures to make the calculation easy. In doing so, it not only fosters students ’observational ability, attention and memory, but also develops students’ sensitivity and flexibility in thinking.