课堂生成是课程改革倡导的一个重要概念,是师生、生生在互动中,从心与心的交流中,从思与思的碰撞中,从情与情的触摸中滋生出来的宝贵资源.可是面对纷至沓来的课堂生成,特别是在面对非预设的课堂生成中,有的教师却缺少高超的调控艺术和引领的技巧,以致在追求生成的精彩或面对突如其来的非预设生成中迷失了方向,出现了教与学失衡的现象.在数学课堂教学中,笔者认为主要存在以下几种非预设的处理的误区:(1)引入时学生答非教师所求所问,但教师没有 Classroom generation is an important concept advocated by the curriculum reform. It is a valuable resource that teachers and students breed from the touch of love and affection in the interaction between students and students, from the communication between heart and heart, from the collision between thoughts and thoughts. In the face of a lot of classroom generation, especially in the face of non-default classroom generation, some teachers lack the superb art of regulation and leading skills, so that in the pursuit of exciting generated or in the face of sudden non-default generation Lost direction, there has been a phenomenon of imbalance between teaching and learning.In mathematics classroom teaching, I believe there are mainly the following misconceptions of non-default processing: (1) No