爱因斯坦曾经说过 ,兴趣是最好的老师 .如果在课堂教学中激起了学生的学习兴趣 ,那么教学就算成功了一半 .在讲授“算术平均数与几何平均数”这节课时 ,课前我设计了两种教学方案 .一种是按教材顺序 ,先给出算术平均数与几何平均数的定义 ,接着揭示两者之间的关系 ,最后运用所 Einstein once said that interest is the best teacher. If the student’s interest in learning is stimulated in the classroom, the teaching will be half successful. When teaching “Arithmetic mean and geometric mean”, the class Before I designed two kinds of teaching programs. One is to give the definition of arithmetic averages and geometric averages in order of teaching materials, and then to reveal the relationship between the two.