- 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 Second, Author(s): Toni Chehlarova | DOI: 10.15547/PF.2024.010
...lts of solving such tasks by students in 3rd and in 4th grade in the online competition "VIVA Mathematics with a computer" organized by the Institute ...
- 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 First, Author(s): Neda Chehlarova, Koya Chehlarova, Natalia Gecheva | DOI: 10.15547/PF.2025.004
... educational experts from several cities in Bulgaria participated in them. All participants made their own original work on the topic "Jewelry with a ...
