“一个数除以小数”教学设计与设计思路迁安市第一实验小学特级教师高素飞教学内容：义务教育六年制小学数学第九册２０～２１页一个数除以小数，例４、例５。教学要求：使学生运用商不变的性质，掌握一个数除以小数的法则，并能运用法则正确地进行计算。设计思路：一个数... “A number divided by decimals” teaching design and design ideas Qian'an First Experimental Primary School super-teacher Gao Sufei Teaching content: Compulsory education Six years of elementary school mathematics ninth Volume 20 ~ 21 A number divided by the decimal, Example 4, Example 5 . Teaching Requirements: To enable students to use the invariable nature of business, to master the law of one number divided by decimals, and to use the law to calculate correctly. Design ideas: a number ...