苏联教育家巴班斯基创立的教学最优化理论指出:“教学最优化可以说是从解决教学任务的有效性和师生时间消费的合理性着眼,有科学根据地选择和实施该条件下最好的教学方案。”随着新课程改革实验的不断深化,小学数学课堂教学的有效性问题已经成为当前教学领域中的一个重要课题。如何打造有效的数学课堂,是一个在实践过程中很值得思考的问题。我想一节有效的数学课应该在“趣、疑、活、情”四个方面均有所作为。一、趣——有效地调动学生学习的积极性 The theory of teaching optimization set up by Soviet educator Ba Bansiji pointed out: “Teaching optimization can be said to be from the validity of teaching tasks and the rationality of time consumption of teachers and students, with the scientific basis to select and implement the most Good teaching plan. ”“ With the deepening of the new curriculum reform experiment, the effectiveness of primary school mathematics classroom teaching has become an important issue in the current teaching field. How to build an effective math classroom is a question worth pondering in practice. I think a valid math class should do something in the four areas of ”fun, suspicion, living and feeling." One, fun - effectively mobilize the enthusiasm of students to learn