![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/fig3/AS:877782653476864@1586291101531/Projet-de-la-seance-de-soutien-niveau-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/330767053/figure/fig1/AS:721302654562305@1548983362793/Figura-1-Sistema-de-recursos-da-professora-para-o-ensino-de-Razoes-Trigonometricas-nivel_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/321869065/figure/fig2/AS:784224642662403@1563985133718/Theories-used-in-paper-at-the-CERME8-TWG15-left-and-CERME9-TWG16-right_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/Nataly-Essonnier/publication/338966198/figure/fig3/AS:853695822561280@1580548353215/Model-of-versioning-of-the-c-book-collaborative-design-process-Essonnier-2018_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/321869065/figure/fig1/AS:784224642670593@1563985133679/From-a-didactic-triangle-left-to-a-didactic-tetrahedron-right_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/publication/310506828/figure/fig2/AS:430228838326273@1479585956025/a-A-student-operates-the-PHANTOM-Omni-R-haptic-device-b-Students-view-of-the_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/fig3/AS:860567564734464@1582186704543/Examples-of-c-book-resources-produced-in-the-framework-of-the-MC2-project_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/fig1/AS:845034547064832@1578483344230/Copie-decran-montrant-la-plateforme-i2geonet_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/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)
![Examples of c-book resources produced in the framework of the MC2 project. | Download Scientific Diagram Examples of c-book resources produced in the framework of the MC2 project. | Download Scientific Diagram](https://www.researchgate.net/profile/Jana-Trgalova/publication/334135456/figure/fig3/AS:860567564734464@1582186704543/Examples-of-c-book-resources-produced-in-the-framework-of-the-MC2-project.jpg)
Examples of c-book resources produced in the framework of the MC2 project. | 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/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/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)
![Iveta KOHANOVA | Professor (Associate) | PhD | Norwegian University of Science and Technology, Trondheim | NTNU | Faculty of Social and Educational Sciences Iveta KOHANOVA | Professor (Associate) | PhD | Norwegian University of Science and Technology, Trondheim | NTNU | Faculty of Social and Educational Sciences](https://i1.rgstatic.net/ii/profile.image/404897376817186-1473546465865_Q512/Iveta-Kohanova.jpg)
Iveta KOHANOVA | Professor (Associate) | PhD | Norwegian University of Science and Technology, Trondheim | NTNU | Faculty of Social and Educational Sciences
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/publication/310506828/figure/fig1/AS:430228838326272@1479585956005/a-c-Students-search-for-points-for-which-the-two-variable-sides-of-the-triangle-are-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/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)
![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/307937241/figure/fig2/AS:404391547949063@1473425866756/Checking-golden-ratio-using-the-golden-ratio-compass-tool_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
![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)
![PDF) Impact of Place Value Chart App on Students' Understanding of Bundling and Unbundling | Kevin Larkin - Academia.edu PDF) Impact of Place Value Chart App on Students' Understanding of Bundling and Unbundling | Kevin Larkin - Academia.edu](https://0.academia-photos.com/attachment_thumbnails/64508087/mini_magick20200923-28045-1msm2qo.png?1600927513)
PDF) Impact of Place Value Chart App on Students' Understanding of Bundling and Unbundling | Kevin Larkin - 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/Jana-Trgalova/publication/330767053/figure/fig2/AS:721302654578689@1548983362815/Figura-2-Ficha-de-exercicios-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) 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)