今天的数学课,是进行最大公约数和最小公倍数的综合练习,课上得很顺当。但课进行到一半时,在练习反馈中我发现有一道题相当一部分同学都做错了。正好踱到小明面前,我带着征求意见的口吻对他说:“能把你的答案告诉老师和同学们吗?让我们一起来分析一下错的原因。”爱面子的小明支支吾吾、遮遮掩掩,同学小婷边看小明的作业边说:“老师,他还有更多错的地方。他在您讲解时把好几个错误答案擦掉 Today’s mathematics class is an integrated exercise of the greatest common divisor and the lowest common multiple. However, halfway through the class, I noticed in the practice feedback that a certain class of students had done something wrong. Just in time to Xiao Ming, I said to him with a soliciting tone: “Can you tell your teacher and classmates your answer? Let us analyze the cause of the wrong.” Xiao Ming’s face of self-love, cover up Undercover, classmate Xiaoting looked at Xiaoming’s homework and said: “The teacher, he has more mistakes. He wiped out several wrong answers when you explained it.