Skripsi
LOCAL INSTRUCTION THEORY ON DERIVATIVE TOPIC USING CLINATE CHANGE CONTEXT FOR SENIOR HIGH SCHOOL STUDENT
This design research study aims to develop a Local Instructional of Theory (LIT) for teaching the concept of derivatives in high school mathematics by embedding instruction within the globally relevant context of climate change. Guided by five research questions, the study systematically investigates: (1) insights from existing literature on derivative instruction and contextual gaps; (2) how graphical representations of climate data (e.g., global temperature, sea-level rise) can support students’ conceptualization of rate of change; (3) the design of a learning trajectory that transitions students from contextual exploration to formal mathematical understanding; (4) how practitioner feedback refines instructional materials; and (5) the impact of this approach on students’ conceptual comprehension and the emergent LIT. Anticipated findings indicate that students develop a deeper, more meaningful understanding of the derivative when anchored in authentic climate data — interpreting T’(t) not as an abstract symbol but as “the rate at which the Earth is warming.” The resulting LIT is structured around four core principles: Contextual Anchoring, Visual Scaffolding, Reflective Integration, and Trajectory-Based Progression. This study contributes theoretically by extending Realistic Mathematics Education (RME) into socio-scientific domains and practically by providing educators with ready-to implement, context-rich modules that make calculus relevant, engaging, and socially responsible.
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