[初賽第一階段] 幾何性質和關係（1） [Preliminary Phase 1] Geometric Properties and Relationships (1)
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教學主題
Topic
[初賽第一階段] 幾何性質和關係（1）
[Preliminary Phase 1] Geometric Properties and Relationships (1)
其他模型
Others
Big Concept: Geometric Properties and Relationships
Topic: Multi-scenario Applications of Triangle Centers
Bloom's Taxonomy: analyze, evaluate, apply
Learning Goal: Guide students to differentiate between the functional roles of the Incenter and Circumcenter based on distance requirements, and model at least TWO distinct real-world applications
Key Learning Points: Incenter (equidistant to sides), Circumcenter (equidistant to vertices), Optimization, Modeling.
學生背景
Student Persona
Grade: 9th Grade
Focus Time: 15 minutes
Background Knowledge: Basic definitions of medians, angle bisectors, and perpendicular bisectors; ability to read coordinates.