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Symmetry: Culture and Science
Volume 32, Number 2, pages 281-284 (2021)
https://doi.org/10.26830/symmetry_2021_2_281

COMPUTER MODEL FOR SELF-PREPARATION FOR PLAYING WITH DOMINOES “AXES OF SYMMETRY”

Neda Chehlarova1, Tony Chehlarova2

1 Department of Computer Systems and Informatics, University of Forestry, 1756 Sofia, Bulgaria
E-mail: nedachehlarova@gmail.com
ORCID: 0000-0001-6045-1709

2 Institute of Mathematics and Informatics, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
E-mail: toni.chehlarova@gmail.com
Web: http://www.math.bas.bg/omi/toni
ORCID: 0000-0001-8472-5217

Abstract: Computer models for self-preparation for a game with mathematical dominoes Axes of Symmetry are presented, which also has the role of an educational resource on Symmetry. A computer model has been developed, in which the multiplicity of rotational symmetry is automatically and randomly generated, which is used to obtain each of the figures on the domino plates. The freely available electronic resources are developed with dynamic GeoGebra software and are provided in the Virtual Mathematics Laboratory, developed at the Institute of Mathematics and Informatics of the Bulgarian Academy of Sciences.

Keywords: dominoes, symmetry, digital competences, STEAM, GeoGebra, self-assessment.
MSC 2010: 97R20

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, T. (2019) Mathematical tournament "Domino Fractions" as an event at STEM Discovery Week. Pedagogika-Pedagogy, 91, 3, 418-428.

Chehlarova, T. (2020) Resources for self-assessment in the virtual mathematics laboratory. Pedagogika-Pedagogy, 92, 2, 168-179.

Hohenwarter, J., Hohenwarter, M., Lavicza, 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.

Kenderov. P., Chehlarova, T., Gachev, G. (2021) Online competition “VIVA Mathematics with Computer”. Mathematics and Informatics, 64, 1, 36-51 (in Bulgarian)

Saxon-Szász, J., 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

Triznya, A., 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