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概念教学是小学数学教学的难点,教师经常会花大量的时间在练习上,只有少量时间用于发展学生对概念的理解。一节课结束之后,学生对于概念的理解往往停留在死记硬背,或仅仅会做课后的习题。那么数学概念本身有哪些特点?教师如何帮助学生体验数学概念,并且深入地理解数学概念?下面以《秒的认识》为例,探讨中低段概念教学的方法与途径。
Concept teaching is a difficult point in primary school mathematics teaching, teachers often spend a lot of time on practice, only a small amount of time is used to develop students’ understanding of concepts. After the end of a class, the student’s understanding of the concept often stays in rote, or just do the exercises after class. So what are the characteristics of mathematical concepts? How can teachers help students to experience mathematical concepts and understand mathematical concepts in depth? In the following, “Seconds of Understanding” is taken as an example to explore ways and means of conceptual teaching in middle and lower levels.