论文部分内容阅读
在“认识20以内数”一课的课堂观察中,教师设计了两道题:摆8根小棒和摆12根小棒,想让学生通过第一题的准备学习,自主探究摆12根小棒并感知12由一个十和2个一组成,理由是8和12都是20以内的数。教师认为学生如果会做第一题摆8根小棒,自然地也可以学会第二题,且第二题可以巩固第一题的方法,可以培养学生自主探究的能力。在教学过程中,教师出示准备题,并要求学生说一说是怎样摆的?学生在操作的基础上交流:1根1根
In class observation of Less than 20, the teacher designed two questions: Putting 8 small sticks and 12 small sticks, so that students can make their own study through the preparation of the first question Root stick and perception 12 consists of a ten and two one, on the grounds that 8 and 12 are 20 or less. Teachers believe that if students can do the first question put eight small sticks, naturally you can learn the second question, and the second question can consolidate the first question, you can develop the ability of students to explore. In the teaching process, teachers prepare for the exam, and asked the students to talk about is how to put? Students on the basis of the operation of exchange: a root