本文所论及的“操作——观察——探索——发现”课堂教学模式就是指教师组织和引导学生,通过自己亲自动手画一画、量一量、算一算、折一折、叠一叠、移一移……等实验操作方法,经过动脑,观察具体直观的内容,分析、思考、探索并发现知识、发现问题、发现方法、发现规律,使学生成为一个有效的学习者的一种教 The “operation-observation-exploration-discovery” classroom teaching mode referred to in this paper refers to the teacher’s organization and guidance of students, and through their own hands-painting, drawing, quantity, calculation, discount, fold Stacked, moved, and so on... Experimental methods of operation, through the brain, observe specific and intuitive content, analyze, think, explore and discover knowledge, find problems, find methods, find patterns, make students become an effective learner teach