“错误”源于学生的学习活动,真实地反映学生学习过程的生成性资源。教师应正确对待错误资源,引导学生在纠错、辨错、改错中理解方法、发展思维、促进创新,培养学生利用错题本“再现”错误资源,编写同类题、变式题、拓展题来进一步理解、巩固正确的知识,实现学习因“错误”而精彩。 “Error ” stems from students ’learning activities and truly reflects the generative resources of students’ learning process. Teachers should correctly handle the wrong resources, guide students in error correction, distinguish mistakes, correct mistakes in understanding methods, develop thinking, promote innovation and cultivate students to use the wrong title “Reproduction ” error resources, the preparation of similar questions, variant questions, Expansion of questions to further understand, consolidate the correct knowledge, learning to achieve because of “error ” and wonderful.