教学是是一种活动,也是一门艺术。教学机智集中体现为教师的教学智慧,也是教师在教学过程中巧遇教学情境时最富灵感的杰作。在教学中,教师积极发挥自己的教学机智,可以促进课堂的艺术化,灵活而巧妙地实施教学,使学生乐于接受数学知识,而且会收到事半功倍的效果,最大限度地实现课堂高效。下面是一位教师在教学“求近似数的方法”中运用机智教学的案例:片段一:教学“去尾法”出示问题一:做一套衣服要用布2.4米,86米布可以做多少套衣服?(学生自由列式) Teaching is an activity as well as an art. Teaching wit concentrated expression of the teacher’s teaching wisdom, but also teachers in the teaching process of teaching experience the most inspirational masterpiece. In teaching, teachers actively play their teaching tactics, can promote the classroom art, flexible and clever implementation of teaching, so that students willing to accept mathematical knowledge, and will receive a multiplier effect, to maximize the efficiency of the classroom. The following is a teacher in the teaching “method of approximation ” in the use of witty teaching case: Fragment one: teaching “to the tail method ” to produce the question one: make a suit to use cloth 2.4 meters, 86 meters How many sets can be made of cloth? (Student Free Column)