摘要
本案例从实际问题出发,借助计算机演示,化抽象为具体,揭示定积分的基本思想和定积分概念的本质属性,使学生通过主动参与、积极探究完成对定积分概念的意义建构。
Based on practical problems,the present case reveals the basic idea of definite integral and the essential attribute of definite integral by means of computer demonstration and abstraction,which enables students to actively explore and complete the construction of the meaning of definite integral through active participation.
作者
谢蔚
方国敏
Xie Wei;Fang Guomin
出处
《科教文汇》
2017年第34期42-43,共2页
Journal of Science and Education
关键词
建构主义
曲边梯形
刘徽“割圆术”
定积分
constructivism
curvilinear trapezoid
Liu Hui's cyclotomic method
definite integral