《数学课程标准》强调指出:“数学教学要紧密联系学生的生活实际,创造性地利用一些资源,能使数学学习活动更具生命的价值。”但在平时的课堂上,我们常常会碰到一些始料未及的错误,在对待这些错误问题时,我们往往发现,不少错误经常被忽略。有些是由于教师认为,个别学生的错误在课堂上用宝贵的40分钟来处理,对其他学生而言是浪费;还有些是由 “Mathematics Curriculum Standard” emphasizes: “Mathematics teaching should be closely linked with students’ actual life and use some resources creatively to make mathematical learning activities more valuable to life.” But in normal classes, we often touch To some unexpected mistakes, in dealing with these wrong questions, we often find that many mistakes are often overlooked. Some are due to teachers’ beliefs that individual student mistakes are dealt with in class for an average of 40 minutes and were wasted for other students; and some are due to