“为了每一个学生的发展”是基础教育课程改革的核心。分层教学正是基于学生差异而提出的新型教学法,笔者所提“两层教学法”是在以往“三层教学法”(即教学中将学生分为上、中、下三个层次)基础上所提出的教学法。“三层教学法”在课堂实践中因层次分得过细,虽然理论上较为可行,但实践中却要遇到多个难以处理的问题,如课堂中的分层讨论过程中因层次密集而出现问题设计的复杂性、课堂引导过程中因层次密集而导致分层引导困难等。而在教学中将学生分为上、下两层更有利于课堂教 “For each student’s development ” is the core of the reform of basic education curriculum. Hierarchical teaching is based on the differences between students put forward a new teaching method, the author mentioned “two-tier teaching ” is in the past “three-tier teaching ” (that is, teaching students into the upper, Three levels) based on the proposed teaching method. “Three-tier teaching method ” in the class practice due to the level of sub-sub-divided, although the theory is more feasible, but in practice have to encounter a number of difficult issues, such as the process of hierarchical discussion in the classroom due to the level of dense However, the complexity of the design of the problem and the difficulty of hierarchical guidance caused by the hierarchical arrangement in the course of class guidance. In teaching students will be divided into upper and lower two more conducive to classroom teaching