一、背景下课铃在不该响的时候响起,课前精心准备的大部分内容都还没完成。这节校级的公开课内容是给定的《三角函数图象与性质的复习》。作为一堂公开课,时间的安排是评价成功与否的标准之一。这是很大的失误了,在公开课上居然出现了这样的问题,心里不禁留了一些遗憾,但又引发了一些思考。课前的预设与课堂实际发生了冲突,是引导学生走入老师设计的轨道?还是把课堂还给学生,松松手让他自己走?在师生交 First, in the background, when the bell should not ring, most of the contents carefully prepared before class have not been completed yet. This section of the school’s open class content is given a “review of trigonometric function images and nature.” As an open class, the timing is one of the criteria for evaluating success. This is a big mistake. In the open class, such a problem actually occurred. Some regret was left in my heart, but some reflections were triggered. Pre-class collisions with the actual classroom is to guide students into the orbit of the teacher design? Or the classroom back to students, let him go loose hands? Teachers and students to pay