Vận dụng mô hình CORE trong dạy học chủ đề “Ứng dụng đạo hàm để giải quyết bài toán tối ưu trong kinh tế” (Toán 12) nhằm phát triển năng lực giao tiếp toán học cho học sinh: Một nghiên cứu thực nghiệm
Tóm tắt
In the context of competency-based educational reform, identifying effective instructional models to foster students' mathematical communication competence has become increasingly important. This study aims to evaluate the effectiveness of applying the CORE model in teaching the topic “Applications of Derivatives to Solving Optimization Problems in Economics” in Grade 12 Mathematics to develop students' mathematical communication competence. Based on a theoretical framework, a pedagogical experiment was conducted with 40 students from Class 12A1 at Nguyen Hue No. 1 High School, Dak Lak Province, in October 2025. The findings indicate that the application of the CORE model contributed significantly to the development of students' mathematical communication competence, with all four stages of the model-Connecting, Organizing, Reflecting, and Extending-supporting various dimensions of this competence. The results confirm the effectiveness and necessity of applying the CORE model in mathematics teaching to promote the development of students' mathematical communication competence.
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