在课堂或办公室里,常有教师斥责学生说:“这么简单的题你怎么不会做?”“你根本没有听讲,就当然不会做呀!”“你为什么这样粗心呢?”……学生因智力差、计算粗心或上课不听讲把作业做错,的确是常有的事,但不见得学生作业中的错误,就一定是学生的问题.不久前,我听了一节加减法速算新授课.这位老师的教法是: In the classroom or in the office, teachers often reprimand students, saying: “Why did not you do such a simple question?” “You did not listen, of course you did not do it!” “Why are you so careless? ? ”" ... It is indeed a common occurrence for students to have miscalculated or carelessness in class or not to attend classes to make mistakes in homework, but it is not necessarily the mistake of students in their homework. It must have been a problem for students. Not long ago, I listened A plus and subtraction speed calculation new lectures. The teacher's teaching is: