大概念的内涵解析及大概念教学设计与实施策略

Connotation of Big Ideas and Its Teaching Design and Implementation Strategies

将大概念作为一项重要的化学课程内容,是《义务教育化学课程标准(2022年版)》的重大变化之一。对大概念内涵从抽象知识到上位概念再到学科观念的发展过程进行了梳理,认为主题大概念对发展学生核心素养更具有独特价值;基于学科理解理论阐释了大概念的idea功能,认为大概念是对解决学科本原性问题的一系列idea的概括;从大概念素养发展功能的定位,基于大概念idea功能的教学内容的组织与呈现,以及探究式、建构式教学方式的运用等3个方面,探讨了大概念教学的重要实施策略。

The inclusion of big ideas as an important chemistry curriculum content is one of the major changes in the Compulsory Education Chemistry Curriculum Standards(2022 Edition).The article sorts out the development process of the big ideas from abstract knowledge to the subsuming ideas to the subject concept,and believes that the theme big concept has unique value in developing students’core competence;Based on the theory of subject understanding,the idea function of the big idea is explained,and it is believed that the big idea is the generalization of a series of ideas to solve the original problems of the discipline;From the orientation of the big ideas’competence development function,the organization and presentation of teaching content based on the function of big idea,and the application of inquiry and constructive teaching methods,the implementation strategy of big ideas teaching is discussed.