目前,在数学课堂上,会发现一种十分普遍的现象:学生“说数学”比“做数学”的机会多得多。教师提出一个问题后,请学生思考,或者小组交流,接着请学生回答。几个同学把问题解决了,似乎全班同学都会了。这种教学方式,既活跃课堂又便于控制教学节奏和进程。但是,这种方式很容易造成 At present, a very common phenomenon is found in the math class: students have more chances to “say math” than to “do math.” Teachers ask a question, ask students to think, or group exchanges, and then ask the students to answer. Several students to solve the problem, it seems that classmates will be. This teaching method, both active and easy to control the classroom teaching process and rhythm. However, this approach is very easy to cause