Dạy học khái niệm “Tam giác đồng dạng” (Toán 8) dựa trên lí thuyết giáo dục toán học gắn với thực tiễn (RME): Một nghiên cứu tại Thành phố Hồ Chí Minh.

Tóm tắt

The theory of realistic mathematics education (RME) is built on two core views of Freudenthal (1971) namely, mathematics must be linked to practice and mathematics is a human activity. The study builds a 5-step teaching process for the concept of “Similar Triangles” based on RME theory and organizes an experimental teaching of this process at Binh Tho Secondary School, Thu Duc Ward, Ho Chi Minh City. The experimental results show that the average score of the experimental class is higher than the control class, showing that the application of RME theory has exerted positive effects on students' acquisition and application of knowledge. The students in the experimental class understood the nature of the concept and know how to apply it into practical situations more effectively. To teach effectively based on RME theory, teachers need to choose practical problems that are meaningful to students, ensuring closeness and familiarity, yet ensure their significance, creating opportunities for students to reason, judge and form new knowledge through learning activities.