新一轮基础教育课程改革把提高课堂教学实效性作为课程改革的一个最重要的理念。因此,为了提高课堂教学实效性,我们就要树立以学生为本的理念,认真学习《数学课程标准》,注意激发学生学习数学的兴趣,发挥学生的主体作用。现代教学论指出,当前教师的主导作用,已经不只看教师的讲授水平,更重要的是看教师能否调动学生的学习积极性,激发学生的学习兴趣。从心理角度看,学生的未知欲望是一种内在的兴趣,是一种强大的动力。俗言道:“兴趣是最好的老师。”学生一旦对数 A new round of basic education curriculum reform to improve the effectiveness of classroom teaching as one of the most important concept of curriculum reform. Therefore, in order to improve the effectiveness of classroom teaching, we must establish a student-centered philosophy, carefully study “mathematics curriculum standards”, pay attention to stimulate students interest in learning mathematics, to play the main role of students. Modern teaching theory points out that the current leading role of teachers has not only looked at the level of teachers ’teaching, but more importantly, it can see whether teachers can arouse their enthusiasm for learning and stimulate students’ interest in learning. From a psychological point of view, the student’s unknown desire is an inherent interest, is a powerful motivation. As the saying goes: “Interest is the best teacher.” "Once the students logarithms