摘要
小数除法与分数除法是小学数学教学的重点和难点,对除数是分数或者小数除法算法的缘由进行讨论,供小学数学教师在教学中参考.
Both fractional division and decimal division are important and difficult topics of mathematical teaching in elementary school. This note discusses the logics behind these two types of divisions, with the intent of providing references for the teachers.
作者
史宁中
SHI Ning-zhong(School of Mathematics and Statistics,Northeast Normal University,Jilin Changchun 130024,China)
出处
《数学教育学报》
CSSCI
北大核心
2019年第5期1-1,共1页
Journal of Mathematics Education
关键词
分数
小数
除法
逆运算
decimal
fraction
division
inversion
