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Pitchayapa Moungwandee; Yannapat Seehamongkon – Journal of Education and Learning, 2025
This action research aims to develop the ability to solve mathematical problems, particularly in polygons, through open-approach learning management for sixth-grade students, with the goal of achieving an average score exceeding 70% of the total possible score. The target group consisted of eight students in the second semester of the academic…
Descriptors: Mathematics Skills, Problem Solving, Geometric Concepts, Grade 6