变式教学法是指在教学中从一道母题出发,进行不同角度、不同层次、不同背景的变化,有意识地引导学生重新进行探讨,在变化、联系中寻求规律,掌握解题技巧的一种教学方法.在变式教学中,把学习数学的主动权交给学生,在肯定学生主体地位的前提下,教师成为学生学习活动的促进者,在教学活动中发挥主导作用.这样的教学有利于拓展学生的 Variant teaching method refers to starting from a motif in teaching, changing from different angles, different levels, and different backgrounds, consciously guiding students to re-discussions, seeking laws in change and connection, and mastering a technique of solving problems. Teaching methods. In the variant teaching, the initiative to learn mathematics is given to the students. Under the premise of affirming the main body status of students, teachers become the promoters of student learning activities and play a leading role in teaching activities. Such teaching is beneficial to Expand students’