华罗庚说过:“天下只有哑巴没有说过错话;天下只有白痴没有想错过问题;天下没有数学家没算错过题的。”学生出错是正常的,面对学生的错误,教师要充分发挥教学机智,将错误作为一种促进学生情感发展、智力发展的教育资源,挖掘其中的有利因素,让学生在纠错、改错中感悟道理,领悟方法,在“吃一堑,长一智”中增长才干和智慧,塑造完美的人格。 Hua Luogeng said: “The world is only an idiot did not want to miss the problem; the world is not an idiot did not miss the title. ” Students error is normal, in the face of student errors, teachers should give full play to Teaching tactics, mistakes as a promotion of emotional development of students, intellectual development of educational resources, mining the favorable factors which enable students to correct errors, error correction in the sense of truth, understanding methods, eating, "Growth in talent and wisdom, create the perfect personality.