“226”有效教学是三亚市教育局教研室自主研发、实施并获得教育部立项的课题研究项目,它以数字命名的形式,对课题研究内容“双主体”、“两转变”、“六要素”进行高度概括。与其他同类的有效教学课题实验相比,“226”的核心价值和创新之处在于:在打造优质有效课堂的探索中提出教师和学生两个主体的概念(双主体);在实施教学的过程中要求“教”与“学”的两种行为有效转变(两转 “226 ” effective teaching is independent research and development department of Sanya City Department of Education, implementation and access to the Ministry of Education project research project, which nomenclature in the form of research topics “double subject ”, “two changes ”,“ Six Elements ”for a high degree of generalization. Compared with other effective teaching experiments of the same kind, the core values ​​and innovations of “226 ” are as follows: putting forward the concept of “two subjects” (teachers and students) in the exploration of building a good and effective classroom; The process requires that both “teaching” and “learning” be effectively changed (two revolutions)