论文部分内容阅读
操作作为一项教学实践活动,对建立表象,启发思维,促进知识内化,引导学生推导等起着十分重要的作用,越来越多地被广大数学教师所采纳和运用。但在教学中,不能由教师代替学生操作,或者学生只是模仿教师进行操作;不能单纯地为操作而操作,操作得不能太“死”,要把操作“活化”。也就是说在教师的正确指导和明确要求下,给学生创设主动操作的情境,提供操作的自由空间,在此基础上放手让学生进行操作,变被动操作为主动操作,变机械性操作为灵活性操作,通过操作使学生获得真知灼见。
As a teaching practice, operation plays an important role in establishing appearance, inspiring thinking, promoting knowledge internalization, guiding students to deduce, etc., and is increasingly adopted and applied by the majority of math teachers. However, in teaching, teachers can not replace students or students imitate teachers to operate. They can not simply operate for operation. They should not operate too “dead” and “activate” the operation. In other words, under the correct guidance and explicit request of teachers, students are given the opportunity to take the initiative to operate and provide free space for operation. On the basis of this, students are allowed to conduct operations, change passive operation into active operation, and change mechanical operation into flexible operation Sexual manipulation, through which students gain insight.