话题的由起笔者一直在从事“小学数学每课一问”的课题实践研究,现课题已拓展到评课议课领域,通过调研学生的课后提问,给评课议课提出一些针对性的看法,收到了比较好的效果。近日笔者非常荣幸地听了当地有名的一位数学老师的课——《乘法分配律》,从课前谈话到课始的学习材料用几何直观的手段使学 From the author of the topic has been engaged in “primary school mathematics every question ” subject practice research, the current topic has been extended to the evaluation of lesson planning field by asking students to ask questions after class, Sexual views, received a good effect. Recently I was very honored to listen to a well-known local math teacher’s class - “law of multiplication distribution”, from pre-class conversation to the beginning of the learning materials to make use of geometric means to make intuitive