OBE理念的平面曲线参数方程教学设计研究

Research on the Teaching Design of Parametric Equations of Plane Curves Based on the OBE Concept

摘要: 本文以《解析几何》课程中平面曲线的参数方程为研究对象，针对现有OBE教学设计研究偏宏观、同质化的问题，完整阐述OBE理念指导下的微观化、案例化、主线串联化教学设计。在精准学情分析基础上，从知识、能力、情感三个维度设定可观测、可测量的教学目标。通过课前预习、课中内化、课后拓展三个阶段，以挂谷问题为主线串联教学任务。课堂教学以任务驱动方式突破教学重难点，借助学习通任务引擎、GeoGebra画图软件等信息化手段，实现预习资源推送、前测数据采集、课堂互动、课后评价与曲线可视化。

Abstract: This paper takes Parametric Equations of Plane Curves in the course of Analytic Geometry as the research object. In response to the problems that existing OBE teaching design research is relatively macro-level and homogeneous, it fully elaborates a micro-level, case-based, and main-line-connected teaching design under the guidance of the OBE concept. On the basis of precise analysis of students’ learning conditions, observable and measurable teaching objectives are set from the three dimensions of knowledge, ability, and emotion. Through the three stages of pre-class preview, in-class internalization, and post-class expansion, the Kakeya problem is used as the main line to connect teaching tasks. Classroom teaching breaks through key and difficult teaching points in a task-driven way. With the help of information-based means such as the Xuexitong task engine and GeoGebra graphing software, it achieves preview resource push, pre-test data collection, classroom interaction, post-class evaluation, and curve visualization.