Geometric explorations with dynamic geometry applications based on van Hiele levels
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Date
2005
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Abstract
The purpose of this paper is to present classroom-tested geometry activities based
on the van Hiele geometric thinking levels using dynamic geometry applications. The other
ideas behind the activities include teacher questioning, active student participation, and studentcentered decision-making. During the lessons student teachers engaged in self-exploration and
reinvention of geometric relations. It was evident from the episodes that students raised their
level of geometric thinking by building on their current geometric understanding.
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Keywords
dynamic geometry, van Hiele levels, teacher questioning