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为了研讨“十岁的孩子能否学习正负数的初步知识”,我校从1991年开始到现在在近千名四年级学生中进行了五轮试验。九年制义务教育数学教材有关正、负数的初步知识这一章节,我们感到教材在编写上有一个突出的特点:即根据学生的年龄和认识能力进行编排,在一些概念教学中侧重实例说明;在讲计算时重视过程教学,让学生操作学具,使学生动手、动口、动脑,把抽象的计算方法转化为形象的推理过程,比较贴近学生生活实际,
In order to discuss “the initial knowledge of whether positive and negative children can learn at the age of ten,” our school conducted five rounds of trials among nearly one thousand fourth-graders since 1991. Nine chapters of the compulsory education math textbooks on the positive and negative initial knowledge of this chapter, we feel that teaching materials in the preparation of a prominent feature: that is based on the age of students and cognitive ability to arrange, in some concepts teaching emphasis on examples In the process of teaching emphasis on teaching process, so that students operate learning tools, so that students start, move, brain, the abstract calculation method into the image of the reasoning process, more close to the actual life of students,