素质教育要求面向全体学生 ,实现全体学生的全面发展 ,分层递进教学是落实这一基本精神的有效途径 .所谓分层递进教学 ,就是针对班内不同学习水平的学生 ,提出不同的教学目标 ,创设不同的教学情景 ,使各层次的学生都能经过努力得到最优发展 .它不仅克服了传统教学因教学内容、 Quality education requires all students to achieve all-round development of all students. Tiered and progressive teaching is an effective way to implement this basic spirit. The so-called stratified progressive teaching is to propose different teaching for students of different levels in the class. The goal is to create different teaching scenarios so that students at all levels can work hard to achieve optimal development. It not only overcomes the traditional teaching due to teaching content,