大概念视域下高中数学单元教学设计探析——以“复数”为例

Exploration on Teaching Design of Mathematics Unit in Senior High School from the Perspective of Macroconcept—Taking “Plural” as an Example

摘要: 单元教学作为推动课程改革的核心力量，扮演着至关重要的角色，大概念视域下的单元教学是实现数学核心素养的有效手段。本文通过探讨大概念的内涵，结合提炼数学大概念的三个维度：学科本质与内容、数学思想方法，以及育人价值尝试提出有关复数系的学科大概念。并结合具体案例，介绍大概念视域下高中数学单元教学相关设计与思考：学科大概念的构建、单元学习目标的设定、单元学习流程的设计及主要活动设计。在体现核心素养教学目标的基础上，讨论教师整合单元知识的有效途径。

Abstract: As the core force to promote curriculum reform, unit teaching plays a vital role, and unit teaching from the perspective of macroconcept is an effective means to realize the core literacy of mathematics. This paper tries to put forward the discipline concept of complex number system by discussing the connotation of the concept and combining the three dimensions of refining the concept of mathematics: the essence and content of the discipline, the method of mathematical thinking and the value of educating people. Combined with specific cases, this paper introduces the design and thinking of high school mathematics unit teaching from the perspective of macroconcept: the construction of discipline macroconcept, the setting of unit learning objectives, the design of unit learning process and the design of main activities. On the basis of reflecting the teaching goal of core literacy, this paper discusses the effective ways for teachers to integrate unit knowledge.