课改专家余文森教授说:“有效性是课堂教学的命脉。”从教师的角度来讲,有效的教学指的是促进学生学习、成长的教学。要想在历史教学进度紧、课时严重不足的情况下增强学习的有效性,只有向45分钟的课堂要效益,而课堂的效果如何又取决于老师的前期准备。为此,笔者总结出以下几个方面的心得。 Curriculum reform expert Professor Yu Wensen said: “Effectiveness is the lifeblood of classroom teaching.” From a teacher’s point of view, effective teaching refers to the promotion of student learning and growth teaching. In order to enhance the effectiveness of learning under the condition of tight schedule of history teaching and serious shortage of class hours, the efficiency of the class must be 45 minutes, and the effect of the class depends on the preparation of the teacher. To this end, I summarize the following aspects of the experience.