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South African Journal of Education
On-line version ISSN 2076-3433
Print version ISSN 0256-0100
Abstract
MTHETHWA, Mthembeni; BAYAGA, Anass; BOSSE, Michael J. and WILLIAMS, Derek. GeoGebra for learning and teaching: A parallel investigation. S. Afr. j. educ. [online]. 2020, vol.40, n.2, pp.1-12. ISSN 2076-3433. http://dx.doi.org/10.15700/saje.v40n2a1669.
In the study reported on here, we investigated the effects of the use of dynamic geometry software (DGS) (i.e., GeoGebra) on learners' learning and a teacher's beliefs. The learners and teacher involved in the study were from a high-poverty, rural high school in South Africa. We compared grade 11 learners (N = 56) who used GeoGebra in the context of learning circle geometry with learners who experienced geometry through traditional lecture-based instruction. Participating learners were from classes in a public school located in the rural Umkhanyakude district of KwaZulu-Natal, Republic of South Africa. Results showed that learners using GeoGebra were more successful at solving problems and justifying their statements, while the other learners provided a limited justification for their answers. In a parallel and complementary investigation the teacher's attitudes toward using GeoGebra as an instructional tool were considered qualitatively. Results showed that even in high-poverty, rural settings where the availability of technological resources are limited, the use of GeoGebra affected learners' learning and had positive effects on the teacher's beliefs regarding teaching and learning.
Keywords : Euclidean geometry; GeoGebra; performance; theorems and proofs.