该如何评价一堂课的优劣、课堂评价是否有必要等一系列问题已经引起了很多一线教师的关注。课标强烈要求学生进行自主学习,而自主学习最常用的一种方法就是问题探讨,这就要求教师在教学过程中对问题进行有效设计,以达到优化课堂教学的目的。也就是说,评价一堂课的优劣,先要看其问题设计是否有效。 How to evaluate the advantages and disadvantages of a class, classroom evaluation is necessary and a series of questions has aroused the attention of many front-line teachers. Curriculum requirements strongly require students to learn independently, and the most commonly used method of self-study is to discuss the issue, which requires teachers in the teaching process of effective design of the problem in order to achieve the purpose of optimizing classroom teaching. In other words, to evaluate the pros and cons of a class, first depends on the design of the problem is valid.