![Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE) Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE)](https://www.researchgate.net/profile/Jana-Trgalova/publication/334135456/figure/fig4/AS:860567564722185@1582186704566/A-screenshot-of-a-c-book-page-showing-three-widgets-Cinderella-EpsilonWriter-and_Q320.jpg)
Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE)
![Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE) Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE)](https://www.researchgate.net/profile/Jana-Trgalova/publication/281795889/figure/fig2/AS:845034547077122@1578483344271/Extrait-du-questionnaire-relatif-a-la-dimension-implementation-didactique-dune_Q320.jpg)
Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE)
![Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE) Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE)](https://www.researchgate.net/profile/Christian-Mercat/publication/278685133/figure/fig1/AS:391795180621830@1470422658408/Several-CoPs-around-a-CoI_Q320.jpg)
Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE)
![Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE) Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE)](https://www.researchgate.net/publication/310506828/figure/fig3/AS:667603626377245@1536180516987/a-Finding-the-triangle-with-the-least-area-b-Introducing-a-graphical-representation-of_Q320.jpg)
Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE)
![Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE) Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE)](https://www.researchgate.net/profile/Jana-Trgalova/publication/281795888/figure/fig1/AS:421852209258496@1477588812869/Online-questionnaire-for-reviewing-a-DG-resource-in-the-i2geo-repository_Q320.jpg)
Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE)
![Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE) Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE)](https://www.researchgate.net/profile/Elisangela-Espindola/publication/340492478/figure/fig1/AS:877782653493248@1586291101430/Niveaux-de-lactivite-du-professeur-dapres-Margolinas-2005_Q320.jpg)
Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE)
![Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE) Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE)](https://www.researchgate.net/profile/Jana-Trgalova/publication/334135456/figure/fig5/AS:860567564726289@1582186704892/Evaluation-of-CMT-cognitive-components-from-the-experts-point-of-view_Q320.jpg)
Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE)
![Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE) Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE)](https://www.researchgate.net/profile/Mohamed-El-Demerdash/publication/307937253/figure/fig1/AS:613446823444534@1523268528678/figure-fig1_Q320.jpg)
Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE)
![Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE) Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE)](https://www.researchgate.net/profile/Nataly-Essonnier/publication/338966198/figure/fig2/AS:853695822565376@1580548353143/The-designers-of-the-c-book-ski-touring_Q320.jpg)
Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE)
Theories used in paper at the CERME8-TWG15 (left) and CERME9-TWG16 (right) | Download Scientific Diagram
![Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE) Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE)](https://www.researchgate.net/profile/Mohamed-El-Demerdash/publication/305725107/figure/fig2/AS:389656328851457@1469912716311/a-Geometrical-situation-proposed-with-Cinderella-Act-1-page-1_Q320.jpg)
Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE)
![PDF) Comparing theoretical frameworks enacted in experimental research: Telma experience | Jana Trgalova - Academia.edu PDF) Comparing theoretical frameworks enacted in experimental research: Telma experience | Jana Trgalova - Academia.edu](https://0.academia-photos.com/attachment_thumbnails/51287101/mini_magick20190125-23100-h2gs76.png?1548481105)
PDF) Comparing theoretical frameworks enacted in experimental research: Telma experience | Jana Trgalova - Academia.edu
![Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE) Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE)](https://www.researchgate.net/profile/Nataly-Essonnier/publication/285499183/figure/fig3/AS:302121242120194@1449042725133/sualisation-des-cartes-mentales-realisees-avec-CoICode-sous-forme-de-forum_Q320.jpg)
Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE)
![Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE) Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE)](https://www.researchgate.net/profile/Jana-Trgalova/publication/334135456/figure/fig2/AS:860567564722183@1582186704495/Some-of-the-c-book-widget-factories_Q320.jpg)
Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE)
![Evaluation of CMT cognitive components from the experts' point of view. | Download Scientific Diagram Evaluation of CMT cognitive components from the experts' point of view. | Download Scientific Diagram](https://www.researchgate.net/profile/Jana-Trgalova/publication/334135456/figure/fig5/AS:860567564726289@1582186704892/Evaluation-of-CMT-cognitive-components-from-the-experts-point-of-view.jpg)
Evaluation of CMT cognitive components from the experts' point of view. | Download Scientific Diagram
Left, the GeoGebra representation of the {8/2} star. Right, the output... | Download Scientific Diagram
![Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE) Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE)](https://www.researchgate.net/profile/Jana-Trgalova/publication/330767053/figure/fig3/AS:721302654566401@1548983362833/Figura-3-Trabalho-documental-do-projeto-de-aula-nivel-1_Q320.jpg)
Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE)
![Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE) - Page 2 Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE) - Page 2](https://www.researchgate.net/profile/Jana-Trgalova/publication/32231504/figure/fig1/AS:309875524554757@1450891490156/The-Aplusix-ILE_Q320.jpg)
Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE) - Page 2
![Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE) Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE)](https://www.researchgate.net/profile/Jana-Trgalova/publication/321869065/figure/fig2/AS:784224642662403@1563985133718/Theories-used-in-paper-at-the-CERME8-TWG15-left-and-CERME9-TWG16-right_Q320.jpg)