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The effective learning strategies for mathematics topics may vary according to the topic. For geometry, the activities that are suggested to be implemented are carried out using Van Hieleâs phases of learning geometry. The phases include Information, Guided Orientation, Explicitation, Free Orientation and Integration. The implementation of these phased-based activities is easier and more effective with the presence of dynamic geometry software, especially the Geometerâs Sketchpad (GSP). Therefore, the purpose of this article is to discuss the activities based on Van Hieleâs phases of learning geometry, using the GSP computer software as a tool. The developed activities were given to eight experts to get their views on the activities. Besides that, 24 pre-services teachers were also given the activities for the purpose of investigation of paedagogical usability of the developed activities. The results showed that the developed activities were well-arranged based on Van Hieleâs phases of learning geometry with the assistance of GSP. The results also showed that the developed activities met the requirements of the pedagogical usability criteria. Since these phase-based activities obtained positive views from experts and pre-services teachers, the activities can be carried out in teaching and learning geometry

The Activities Based on Van Hieleâs Phase-Based Learning: Expertsâ and Preservice Teachersâ Views

The Activities Based on Van Hieleâs Phase-Based Learning: Expertsâ and Preservice Teachersâ Views