传统题海战术不仅效益低下,而且令师生苦不堪言.更新理念,倡导变式教学,提高初中数学课堂教学有效性势在必行;在合适的范围恰当地实施变式教学是初中数学教师教学能力水平的基本要求和重要体现;善于“一题多变”“一题多解”不仅大大提高课堂教学效益,而且能展现数学知识的无穷魅力,给广大师生带来诸多思考的乐趣. The traditional problem of sea tactics is not only ineffective, but also makes teachers and students miserable.It is imperative to renew the concept, advocate variant teaching and improve the effectiveness of junior high school math classroom teaching.It is an appropriate way to implement variant teaching in junior high school mathematics teachers Good at “a question changeable” “a question and more solutions” not only greatly improve the efficiency of classroom teaching, but also to demonstrate the infinite charm of mathematical knowledge, to bring a lot of teachers and students Thinking of fun.