前不久,我与银川市金凤区的三位教师同上《两个铁球同时着地》第二课时,感触颇深。在同课异构的活动中,我提早就开始研究教材,备课,和同事们商量上课的各个细节,对每一个教学情境中可能会出现的状况预设解决的方案。执教中,我把教学重点定位在让学生自主学习,自主探究,从中感悟课本所学的内容在 Not long ago, I and Yinfeng District, Yinchuan City, three teachers with the “two iron ball at the same time,” the second class, deep feeling. In the same course heterogeneous activities, I started early to study textbooks, lesson preparation, discuss with colleagues all details of the class, the solution to the situation that may appear in each teaching situation. Coaching, I put the focus of teaching to enable students to learn independently, self-exploration, from which the textbooks learned content