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课堂教学是人的教学。所以,教师必须能很好地驾驭课堂,能发现学生动态生成的亮点,进行分析、比较,积极唤起学生自主探究的意识,小心地呵护,并多留给学生自主探究、合作交流的时间和空间,这样,学生的创造性思维才能得到发展。【情景描述】不久前,我在教学圆柱体表面积计算方法时,经过指导,学生亲手操作,小组交流,直观地得出了圆柱体的表面积=圆柱体的侧面积+底面积×2。可是计算起来由于小数位数较多,学生计算经常出
Classroom teaching is human teaching. Therefore, teachers must be able to control the classroom well and find the bright spots dynamically generated by the students to analyze and compare. They actively arouse the students’ self-exploration awareness, carefully care for them and give them more time and space for autonomous exploration, cooperation and exchange. In this way, students’ creative thinking can be developed. 【Scenario description】 Not long ago, when I was teaching the method of calculating the surface area of a cylinder, I direct the students’ hands-on and group exchanges to get the surface area of the cylinder = the area of the side of the cylinder + the area of the bottom × 2. However, due to the calculation of the larger number of decimal places, students often calculate out