变式教学就是在初中生学习的过程中改变学生数学习题进行的情景以及条件,使学生能够在做习题的过程中产生数学学习的效率,并且在变式教学过程中准确地提取数学概念以及内涵,加强初中生对数学学习的自主能力、思维分析能力以及创新能力。 Variant teaching is to change the situations and conditions of students ’mathematical exercises in the process of junior high school students’ learning, so that students can produce the efficiency of mathematical learning in the process of doing exercises and accurately extract mathematical concepts and connotations in the process of variant teaching , To strengthen junior high school students’ ability to learn mathematics independently, their ability of thinking analysis and their ability of innovation.