毋庸置疑,一堂好课是能使学生在有效的数学活动中“玩”出道理来,也可通过自身的体验“悟”出知识来的。新课程改革理念中淡化教师的一言堂,更关注于建构学生自主学习的课堂,那是因为这样才能更为完整地培养学生善于思考的思维品质,提高学生灵动的数学素养。这里笔者以北师大版三年级下册“比较分数大小” There is no doubt that a good lesson is to enable students to “play” in the effective mathematical activities of reason, but also through their own experience “understanding ” out of knowledge. In the new curriculum reform philosophy, it can weaken the teachers ’words and give more attention to the construction of students’ self-learning classroom. That is because in order to cultivate students ’thoughtful thinking qualities more completely and improve students’ math literacy. Here I North China Normal University version of the third grade “compare scores size”