课堂是教学的主阵地,因此,有效的课堂是实施有效教学的关键,是实现学生课业轻负担高质量的前提和保证。对一名教师来说,只追求各类公开课教学的有效是万万不行的,他必须保证每节常态课堂的有效。对一所学校来讲,只有少数教师和少数学科的课堂有效是远远不够的,它必须要确保每一位教师、每一门学科的课堂教学都是有效的,只有这样,才能从学校 Classroom is the main front of teaching. Therefore, effective classroom is the key to implement effective teaching, which is the precondition and guarantee to realize the high quality of light workload of classwork. To a teacher, it is absolutely impossible to pursue the teaching of all kinds of open classes. He must ensure that every normal classroom is effective. For a school, only a small number of teachers and minority disciplines effective classroom is not enough, it must ensure that every teacher, each subject of classroom teaching is valid, the only way to from the school