有效教学的理念源于20世纪上半叶西方的教学科学化运动.所谓有效教学,即教师通过教学过程的有效性,成功引起、维持和促进学生的学习,相对有效地达到了预期教学效果的教学.某种意义上,沿用经济学的概念,可以将教学效率表达为:教学效率=学生学习收益/教师教学投入.目前,大部分学校在组织学科教学时已经打破了个体教师为单位的竞争模式,而代之以备课组为单位的竞 The concept of effective teaching stems from the Western teaching scientific movement in the first half of the 20th century. The so-called effective teaching means that teachers effectively induce, maintain, and promote students’ learning through the effectiveness of the teaching process, and have effectively achieved the desired teaching effect. Teaching. In a sense, using the concept of economics, teaching efficiency can be expressed as: teaching efficiency = student learning income/teacher input. At present, most schools have broken the competition of individual teachers when organizing subject teaching. The model and replace it with a lesson preparation team