- in Year First (2013) / Issue Second, Author(s): Toni Chehlarova, Neda Chehlarova
The article deals with creating dynamic compositions in the style of Andy Warhol created by means of GeoGebra. Dynamics refers to both the color and t...
- in Year Fourth (2016) / Issue Third, Author(s): Neda Chehlarova | DOI: 10.15547/PF.2015.058
...
- in Year Ninth (2021) / Issue Fourth, Author(s): Neda Chehlarova | DOI: 10.15547/PF.2021.022
A basic short training framework for using QR code with different user groups is presented. The key points of the training program with teachers and s...
- in Year Twelfth (2024) / Issue First, Author(s): Koya Chehlarova, Neda Chehlarova | DOI: 10.15547/PF.2024.003
...ial" project are presented. The aim of Glass Initial project is to popularize two techniques of glass material and silk painting technique among art l...
- in Year Twelfth (2024) / Issue Third, Author(s): Neda Chehlarova | DOI: 10.15547/PF.2024.019
...ngular trapezoids, the made and printed 3D auxiliary models for them are given. Variants for using manipulatives made of EVA material to help mathemat...
- in Year Twelfth (2024) / Issue Fourth, Author(s): Toni Chehlarova, Neda Chehlarova | DOI: 10.15547/PF.2024.028
...are presented. Ideas for modifying some of them are discussed, with a view to improving the results. The computer models were developed with the dynam...
- in Year Thirteen (2025) / Issue Second, Author(s): Neda Chehlarova | DOI: 10.15547/PF.2025.015
... and 75% are presented. For this purpose, two series are used - with a circle and with a square. For each series, two options for presenting the corre...
- in Year Thirteen (2025) / Issue Fourth, Author(s): Toni Chehlarova, Neda Chehlarova | DOI: 10.15547/PF.2025.031
...ole are presented. To create them, fractions, decimal fractions and percentages were used as different ways of writing a part of a whole. Compositions...
- in Year Thirteen (2025) / Issue Fourth, Author(s): Toni Chehlarova, Ivan Petkov, Neda Chehlarova, Natalia Gecheva | DOI: 10.15547/PF.2025.025
...lts of participants from different age groups. For the implementation of the study, computer models were used, created with the dynamic software GeoGe...
- in Year First (2013) / Issue First, Author(s): Toni Chehlarova
...5th grade” and “Geometric transformations and the paintings of Escher” are illustrated with both material and virtual models. The potential of t...
