教师和学生在课堂上几乎每天都要面对大量的错误。有教师感叹自己每天似乎都是在学生的错误中度过的。的确,教师每天要面对许多学生在课堂中、练习中、作业中、试卷中的各种错误。以课堂教学为例,教师已经做了详尽的分析,但是学生还是错了,可能是结果的错误、过程中的错误、思考方法的错误等等。有专家指出:学习上的错误是教学的巨大财 Teachers and students face a lot of mistakes in the classroom almost daily. Some teachers lament that they seem to have spent most of their mistakes on a daily basis. Indeed, teachers face daily many errors in the classroom, in practice, in homework, and in exams. To classroom teaching, for example, teachers have done a detailed analysis, but students are still wrong, the result may be wrong, the process of error, thinking method of error and so on. Some experts pointed out: learning error is a huge financial investment