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整数加、减法的笔算教学是小学阶段重要的基础知识,主要在一、二年级进行教学。近期,我们在3所城区小学和5所农村小学共计随机抽样227名刚升入三年级的学生,以整数加、减法的笔算教学为例,对学生的运算能力作了调研,以帮助教师更好地了解三年级学生整数加、减计算的实际水平,特别是算理理解的水平,为以后改进计算教学提供有价值的建议。
Integer plus, subtraction pen teaching is an important basic knowledge in primary school, mainly in the first and second grade teaching. Recently, we conducted a total of 227 students who had just entered the third grade in a random sample of three urban primary schools and five rural primary schools. Taking the teaching of pen-counting for integer addition and subtraction as an example, we conducted a survey on the computing power of students to help teachers Good understanding of the third grade students to add integer, subtract the actual level of calculation, especially the level of mathematical understanding, to improve teaching for the future to provide valuable suggestions.