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作 者:张晓霞 ZHANG Xiaoxia(Yancheng Tinghuxinqu Experimental Primary School,Yancheng 224001,China)
机构地区:[1]盐城市亭湖新区实验小学
出 处:《江苏教育研究》2019年第29期29-32,共4页Jiangsu Education Research
基 金:江苏省教育科学“十二五”规划普教重点资助课题“基于数学经验积累的小学数学活动的开发研究”(B-a/2015/02/096)研究成果
摘 要:数学概念是人类思维创造的抽象实体。直觉主义哲学特别强调人的直觉对数学概念的作用,认为"纯粹直观"是数学概念产生的基本依据。以"公倍数和最小公倍数"的教学为例,让学生在纯粹感知过程中实现对公倍数和最小公倍数概念的构造,精准回归倍数和因数作为"数"的身份特质,抓住它们表征数与数之间的"关系"实施教学,是促使小学生理解、掌握和运用数学概念的关键。The mathematical concept is the abstract entity of human’s thinking creation. Intuitive philosophy particularly emphasizes the role of human’s intuition in mathematic concepts and holds that pure intuition is the basic ground for the generation of mathematical concepts. Taking the teaching of common multiple and minimum common multiple as examples, teachers should help students construct the concepts in the process of perception with accurate regression of multiples and factors as the identity of "numbers". Meanwhile, teachers should implement teaching by grasping the relationship between representative numbers and numbers, which is key in promoting students’ understanding, mastering and applying mathematical concepts.
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