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从人类的发展历程来看,人类是在计数和计算的基础上发展数学的,由此可见计算对于数学这门课程的重要程度,小学生的运算能力直接影响到了他们对其他数学内容的理解和应用,而且培养小学生的运算能力是整个小学数学教学的重点和难点,《小学数学教学大纲》中明确指出要从口算、估算和简便运算的角度提高小学生的运算能力。本文以苏教版教材为例,介绍小学生运算能力的现状,分析新课程改革下数学教材的变化,提出关于提高小
From the perspective of the development of mankind, mankind develops mathematics on the basis of counting and calculation. Therefore, we can see that the importance of computing to the course of mathematics, the calculation ability of pupils directly affects their understanding and application of other mathematics contents , And cultivating the computing power of primary school students is the focus and difficulty of the whole primary school mathematics teaching. The Primary School Mathematics Syllabus explicitly points out that it is necessary to improve the computing power of primary school students from the perspectives of calculating, estimating and simplifying operations. Taking the teaching material of the Supian version as an example, this paper introduces the current situation of the pupils’ computing ability, analyzes the changes of the mathematics teaching materials under the new curriculum reform,