Chew , Cheng Meng
(2009)
Enhancing Students' Geometric Thinking
Through Phase-Based Instruction Using
Geometer’s Sketchpad: A Case Study.
The Asia Pacific Journal of Educators and Education (formerly known as Journal of Educators and Education), 24 (1).
pp. 1-19.
ISSN 2289-9057
Abstract
I investigated Form One students’ learning of solid geometry in a phase-based
instructional environment using Geometer’s Sketchpad (GSP) based on the van Hiele
theory. Specifically, I examined the students’ initial van Hiele levels of geometric
thinking about cubes and cuboids, and how their van Hiele levels changed after phasebased instruction with GSP. I used a case study research design and purposeful sampling
to select six case study participants from a class of mixed-ability Form One students.
Findings reveal that the participants’ initial van Hiele levels ranged from Level 0 to Level
2. After phase-based instruction with GSP, their van Hiele levels either increased or
remained the same.
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