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Volume 32, Number 4, pages 479-487 (2021)
https://doi.org/10.26830/symmetry_2021_4_479
AUXILIARY FILES FOR TASKS WITH SYMMETRIES OF A SQUARE IN THE ONLINE COMPETITION “VIVA MATHEMATICS WITH COMPUTER”
Toni Chehlarova*
* Institute of Mathematics and Informatics, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 8, Sofia 1113, Bulgaria.
E-mail: toni.chehlarova@gmail.com
Web: http://www.math.bas.bg/omi/toni
ORCID: 0000-0001-8472-5217
Abstract: Tasks with symmetries in a square from the online competition “Viva Mathematics with a computer” with an emphasis on the provided auxiliary files are presented. A specific way to organize the colour change of a square to a square n×n as a result of clicking on it, by changing the transparency of a button in GeoGebra, is described. The results of a survey for evaluation of the tasks as an educational resource are analysed. Results of students’ decisions on these tasks at the Viva Mathematics with Computer competition are presented.
Keywords: symmetry; digital competence; GeoGebra; critical thinking; flexibility of thinking; completeness of decision; gamification
MSC 2010: 97R20
PACS 2010: 02.10.−v, 42.62.Be
References:
Chehlarova, N. (2021) Axes of symmetry dominoes, Symmetry: Culture and Science, 32, 1, 103–111. https://doi.org/10.26830/symmetry_2021_1_103
Chehlarova, K. (2021a) The Glassworks of Planet “Cuboctahedron”, Symmetry: Culture and Science, 32, 1, 83– 90. https://doi.org/10.26830/symmetry_2021_1_083
Kenderov. P., Chehlarova, T. and Gachev, G. (2021) Online Competition “VIVA Mathematics with Computer”, [in Bulgarian], Mathematics and Informatics, 64, 1, 36–51. https://doi.org/10.53656/math2021-1-3-onl
Chehlarova, N. and Gachev, G. (2021) Online contest “mathematics and art” for the development of key competencies, Pedagogika–Pedagogy, 93, 1, 87–99.
Chehlarova, T. (2020) “Survey results on the degree of satisfaction and fatigue while preparing for and when conducting distance learning”, In: Educational Forum 2, March 16–20, 2020 [in Bulgarian]. https://doi.org/10.15547/PF.2020.013
Chehlarova, T. (2021) Propedeutics of Geometric Transformations by Detecting Differences, [in Bulgarian], Pedagogika–Pedagogy, 93, 3, 334–341.
Saxon-Szász, J. and Dárdai, Z. (2019) Poly-Universe in School Education, Symmetry: Culture and Science, 30, 3, 251–255. https://doi.org/10.26830/symmetry_2019_3_251
Hohenwarter, J., Hohenwarter, M. and Laviczam Z. (2009) Introducing dynamic mathematics software to secondary school teachers: The case of GeoGebra, Journal of Computers in Mathematics and Science Teaching, 28, 2, 135–146.
Triznya, A. and Katona, V. (2020) Search for a Computer aided Solution of the 7×7 square Poly-Universe: An algorithmic approach, Symmetry: Culture and Science, 31, 1, 77–90. https://doi.org/10.26830/symmetry_2020_1_077
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