#### MARIOS PITTALIS

**Participation in Funded Projects**

- Cognitive Acceleration through Mathematics Education with Digital Technology, funded by the Cyprus Research Promotion Foundation (Co-Principal Investigator), 2003-2004
- Using Dynamic geometry tools for the teaching of geometry in elementary and secondary schools, funded by the University of Cyprus, 2003-2004
- Differentiated Stereometry by developing an active learning Environment", funded by the University of Cyprus, 2004-2007
- Developing an Active Learning Environment for Stereometry, MINERVA project, co-funded by the European Commission, 2005-2007
- CALGEO: Teaching Calculus using Dynamic Geometry Tools, funded by SOCRATES, Comenius Action 2.1, 2004-2007
- Cognitive and Metacognitive development in relation with the didactic approaches, funded by the University of Cyprus, 2004-2007
- EMETT: European Master for European Teacher Training, co-funded by the European Commission, Erasmus- Multilateral Projects-Curriculum, 2007-2009
- KeyCoMath- Developing Key Competences by Mathematics Education, funding by Lifelong Learning Programme Centralized – Comenius Multilateral Project, 2013-2015
- TOMES (The Development of Mathematical Reasoning through Technology and Parental Engagement), funded by Lifelong Learning Programme, Comenius Regio Partnerships (in greek), 2014-2016
- Cyprus Science and Research Center (CSRC), HORIZON 2020 - «Spreading Excellence and Widening Participation – Teaming», 2017-2018.
- FunThink, Erasmus+, "Enhancing functional thinking from primary to upper secondary school", 2020-2023.

**Journal Publications**

- Pittalis, M. (2024). An empirically validated rational-number sense framework. *Mathematics Education Research Journal*, to appear(). https://doi.org*/**1 0.1007/s13394-024-00484-2 *

- Pittalis, M. & Drijvers P., (2023). Embodied instrumentation in a Dynamic Geometry Environment: Eleven-year-old students’ dragging schemes. *Educational Studies in Mathematics, 113, *181-205.

*https://doi.org/10.1007/s10649-023-10222-3*

- Pittalis, M. (2023). Young Students’ Arithmetic-Algebraic Structure Sense: an Empirical Model and Profiles of Students. *International Journal of Science and Mathematics Education*, *21*(6), 1865-1887. https://doi.org/10.1007/s10763-022-10333-y

- Pitta-Pantazi, D., Christou, C., Demosthenous, E., Pittalis, M., & Chimoni, M. (2022). Nurturing mathematical creativity for the concept of arithmetic mean in a technologically enhanced ‘personalised mathematics and mathematics inquiry’learning environment. *ZDM–Mathematics Education*, *54*(1), 51-66.

-Pittalis, M. (2021). Extending the technology acceptance model to evaluate teachers’ intention to use dynamic geometry software in geometry teaching. *International Journal of Mathematical Education in Science and Technology*, *52*(9), 1385-1404.

- Pittalis, M., Pitta-Pantazi, D., & Christou, C. (2020). Young students’ functional thinking modes: The relation between recursive patterning, covariation thinking and correspondence relation. *Journal for Research in Mathematics Education, 51(5), 631-674.*

- Pittalis, M., Pitta-Pantazi, D., & Christou, C. (2018). A longitudinal study revisiting the notion of early number sense: algrebraic arithmetic a catalyst for number sense development. *Mathematical Thinking and Learning*, *20*(3), 222-247.https://doi.org/10.1080/10986065.2018.1474533

- Pittalis, M., & Christou, C. (2013). Coding and decoding representations of 3D shapes. *Journal of Mathematical Behavior,* 32, 673-689. http://dx.doi.org/10.1016/j.jmathb.2013.08.004

- Pittalis, M., & Christou, C. (2010). Types of reasoning in 3D geometry thinking and their relation with spatial abilities. *Educational Studies in Mathematics*, *75*(2), 191-212. doi: 10.1007/s10649-010-9251-8

- Christou, C., Pittalis, M., K., Mousoulides, N. & Jones, K. (2007). Developing the 3DMath dynamic geometry software: theoretical perspectives on design. *International Journal of Technology in Mathematics Education, 13*(4), 168-174.

- Christou, C., Mousoulides, N., Pittalis, M., Pitta-Pantazi, D, Sriraman, B. (2005). An empirical taxonomy of problem posing processes. *Zentralblatt fur Didaktik der Mathematik (International Reviews in Mathematics Education), 37*(3), 149-158.

- Christou, C., Mousoulides, N., Pittalis, M., Pitta-Pantazi, D. (2005). Problem solving and posing in a dynamic geometry environment. *The Mathematics Enthusiast, A special issue on International Perspectives in Mathematics Teaching using Computer software.*

- Christou, C., Mousoulides, N., Pittalis, M., Pitta-Pantazi, D. (2004). *Proofs through exploration in dynamic geometry environments. International Journal of Science and Mathematics Education, 2*(3), 339-352.

**Book Chapters**

- Christou C., Pitta-Pantazi, D., Pittalis, M., Demosthenous. E., & Chimoni, M. (2023). Personalized mathematics and mathematics inquiry: A design framework for mathematics textbooks. In R. Leikin (Ed.), *Mathematical Challenges for all* (pp. 71-92). Cham: Springer International Publising.

- Pitta-Pantazi D., Christou C., Pittalis M. (2020) Number Teaching and Learning. In: Lerman S. (eds) *Encyclopedia of Mathematics Education. Springer*, Cham. https://doi.org/10.1007/978-3-319-77487-9

- Bokhove, C., Clark-Wilson, A. & Pittalis, M. (2018). Augmenting mathematics with mobile technology. In N. Calder, K. Larkin and N. Sinclair (Eds.), *Using Mobile Technology in the Teaching and Learning of Mathematics* (pp. 131-149). Springer (Mathematics Education in the Digital Era).

- Mousoulides, N., Pittalis, M., Christou, C., & Sriraman, B. (2010). Tracing students’ modeling processes in school. In R. Lesh et al. (Eds.), *Modeling Students’ Mathematical Modeling Competences* (pp. 119-129). Springer. doi: 10.1007/978-1-4419-056-1_10

**Conference Proceedings with Referee System**

- Pittalis, M., Demosthenous, E., Odysseos, E., & Sproesser, U. (2024). Representing distance-time scenarios in a digital embodied learning environment. In D. Diamantidis, M. Karavakou, M. Grizioti, & C. Kynigos (Eds.), *Proceedings of the 16 ^{th} International Conference on Technology in Mathematics Teaching*, (pp. 207

*–*214). Athens, Greece. NKUA.

- Pittalis, M., Demosthenous, E., & Sproesser, U. (2023). Representing covariation functional situations in a tablet-enabled digital learning environment. In M. Ayalon, B. Koichu, R. Leikin, L. Rubel., & M. Tabach, (Eds.), *Proceedings of the 46 ^{th} Conference of the International Group for the Psychology of Mathematics Education* (Vol. 4, 43-50). University of Haifa, Israel: PME

- Pittalis, M., Pitta-Pantazi, D., & Christou, C. (2022). Grade 3 Students' Algebraic Thinking Abilities: An empirically Validated Theoretical Framework. In J. Hodgen, E. Geraniou, G. Bolondi, & F. Ferretti (Eds.), *Proceedings of the 12th Congress of European Research in Mathematics Education (CERME12)*. Bolzano, Italy: ERME.

-Frey K., Pittalis, M., Veldhuis, M., Geisen, M., Krisakova, M., Sajka, M., Nowinska, E., Hubenakova, V., Sproesser, U., (2022). Functional thinking: conceptions of mathematics educators – a framework for analysis. *In C. Fernandez, S. Llinares, A. Gutierrez, & N. Planas (Eds.), Proceedings of the 45 ^{th} Conference of the International Group for the Psychology of Mathematics Education* (Vol. 4, p. 343). Alicante, Spain: PME.

- Pittalis, M., Christou, C., Pitta-Pantazi, D., Demosthenous, E., & Perikli, M. (2019). A framework describing students’ mathematics learning experience with a tablet-based pedagogical medium: The case of a geometry exploration. *Proceedings of the 14 ^{th} International Conference on Technology in Mathematics Teaching *(ICTMT). Essen, Germany.

-Pittalis, M., & Zacharias, I. (2019). Unpacking 9^{th} grade students’ algebraic thinking. *Proceedings of the 11th Congress of European Research in Mathematics Education*. Utrecht, the Netherlands.

- Pittalis, M., Pitta-Pantazi, D., & Christou, C. (2017). Unpacking young children's functional thinking. In B. Kaur, W.K. Ho, T.L. Toh & B.H. Choy (Eds.), *Proceedings of the 41th Conference of the International Group for the Psychology of Mathematics Education* (Vol. 4, pp. 57-65). Singapore: PME.

- Nicolaou, A., Pitta-Pantazi, D., Pittalis, M. & Christou, C. (2016). The impact of an intervention on the devolpment of low-achieving sixth grade students’ abilities. In Csíkos, C., Rausch, A., & Szitányi, J. (Eds.), *Proceedings of the 40th Conference of the International Group for the Psychology of Mathematics Education: Mathematics learning across the life span* (Vol3, pp. 355–362). Szeged, Hungary: PME.

- Pittalis, M., Pitta-Pantazi, D., & Christou, C. (2015). The development of student's early number sense. In K. Krainer & Naďa Vondrová (Eds.), *Proceedings of Ninth Conference of the European Research in Mathematics Education* (pp. 446-452). Prague, Czech Republic: Faculty of Education, Charles University in Prague.

- Pitta-Pantazi, D., Christou, C., Kattou, M., Sophocleous, P., & Pittalis, M. (2015). Assessing mathematically challenging problems. In K. Krainer & Naďa Vondrová (Eds.), *Proceedings of Ninth Conference of the European Research in Mathematics Education* (pp. 1052-1058). Prague, Czech Republic: Faculty of Education, Charles University in Prague.

- Pittalis, M., Christou, C., & Pitta-Pantazi, D. (2015). The predictive nature of perceived learning fit on teachers' intention to use DGS in geometry teaching. In N. Amado & S. Carreira (Eds.), *Proceedings of 12th International Conference on Technology in Mathematics Teaching *(295-303). Faculty of Sciences and Technology, University of Algarve, Faro, Portugal.

- Pittalis, M., Pitta-Pantazi, D., & Christou, C. (2014). The predictive nature of algebraic arithmetic for young learners. In P. Liljedahl, S. Oesterle, C. Nicol, & D. Allan (Eds), *Proceedings of the 38th Conference of the International Group for the Psychology of Mathematics Education (Vol. 4,* 434-441). Vancouver, Canada: PME.

- Pittalis, M., Pitta-Pantazi, D., & Christou, C. (2013). A longitudinal study tracing the development of number sense components. In A. M. Lindmeijer & A. Heinze (Eds), *Proceedings of the 37th Conference of the International Group for the Psychology of Mathematics Education (Vol. 4,* 41-48). Kiel, Germany: PME.

- Pittalis, M., Christou, C., & Pitta-Pantazi, D. (2012). Enhancing prospective teachers’ technological pedagogical content knowledge in 3D shapes’ nets. In L. Gómez Chova, I. Candel Torres, & A. López Martínez (Eds.), *Proceedings of the 4th International Conference on Education and New Learning Technologies *(pp. 66-75), Barcelona, Spain.

- Pittalis, M., & Christou, C. (2011). Extending the technology acceptance model to assess secondary school teachers’ intention to use Cabri in geometry teaching. *Proceedings of the Seventh Conference of the European society for Research in Mathematics Education *(Thematic Group 14). Poland: Rseszow.

- Pittalis, M., Mousoulides, N., & Christou, C. (2009). Levels of sophistication in representing 3D shapes. In M.Tzekaki, M.Kaldrimidou & H.Sakonides (Eds.), *Proceedings of the 33 ^{rd} Conference of the International Group for the Psychology of Mathematics Education* (Vol. 4, pp. 377-384). Thessaloniki, Greece.

- Pittalis, M., Mousoulides, N., & Antreou, A. (2009). Construction of dynamic visual images of 3D geometry shapes. In C.Bardini, P.Fortin, A.Oldknow&D.Vagost (Eds.), *Proceedings of the 9th International Conference on Technology in Mathematics Teaching*. University of Metz, France: ICTMT9.

- Antreou A., Mousoulides, N., & Pittalis, M. (2009). Mathematical modelling using contemporary technological tools. In C.Bardini, P.Fortin, A.Oldknow & D.Vagost (Eds.), *Proceedings of the 9th International Conference on Technology in Mathematics Teaching*. University of Metz, France: ICTMT9.

- Pittalis, M., Mousoulides, N., & Christou, C. (2009). Levels of sophistication in 3D Geometry thinking. *Proceedings of the Sixth Conference of the European society for Research in Mathematics Education *(Thematic Group 5). France: Lyon.

- Mousoulides, N., Chrysostomou, M., Pittalis, M., & Christou C. (2009). Modeling with technology in elementary classrooms. *Proceedings of the Sixth Conference of the European Society for Research in Mathematics Education *(Thematic Group 11). France: Lyon.

- Kontoyianni, K., Kattou, M., Ioannou P., Erodotou M., Christou, C., & Pittalis, M. (2009). Perceptions on teaching the mathematically gifted. *Proceedings of the Sixth Conference of the European Society for Research in Mathematics Education *(Thematic Group 10). France: Lyon.

- Pittalis, M., Mousoulides, N., & Christou, C. (2007). Spatial ability as a predictor of geometry ability. *Proceedings of the Fifth Conference of the European society for Research in Mathematics Education *(Thematic Group 7). Cyprus: Larnaca.

- Christou, C., Pittalis, M., Mousoulides, N., Pitta, D., Jones, K., Sendova, E., & Boytchev, P. (2007). Developing an active learning environment for the learning of stereometry. *Proceedings of the 8th International Conference on Technology in Mathematics Teaching. *University of Hradec Králové: Czech Republic.

- Mousoulides, N., Pittalis, M., Christou, C., Boytchev, P., Sriraman, B., & Pitta, D. (2007). Mathematical modeling using technology in elementary school. *Proceedings of the 8th International Conference on Technology in Mathematics Teaching. *University of Hradec Králové: Czech Republic.

- Mousoulides, N., Pittalis, M., Christou, C., & Sriraman, B. (2007). Students’ modelling abilities in problem solving. *Proceedings of the 13 ^{th} International Conference on the Teaching of Mathematical Modeling and Applications (ICTMA). Bloomington: US.*

*- *Mousoulides, N., Sriraman, B., Pittalis, M., & Christou, C. (2007). Tracing students’ modeling processes in elementary and secondary school. *Proceedings of the Fifth Conference of the European society for Research in Mathematics Education (Thematic Group 13)*. Cyprus: Larnaca.

- Christou C., Jones, K., Pitta-Pantazi, D., Pittalis, M., Mousoulides, N., Matos, J.F., Sendova, E., Zachariades, T., & Boytchev. P. (2007). Developing student spatial ability with 3-dimensional applications*. Proceedings of the* *5 ^{th} Conference of the European Society for Research in Mathematics Education*. Larnaca: Cyprus.

- Mousoulides, N., Pittalis, M., & Christou, C. (2006). Improving mathematical Knowledge through modeling in Elementary Schools. *Proceedings of the 30th Conference of the International Group for the Psychology of Mathematics Education *(Vol. 4, pp. 201-208)*. *Charles University, Prague.

- Christou, C., Pittalis, M., Mousoulides, N., & Jones, K. (2005). Developing 3D dynamic geometry software: Theoretical perspectives on design. In F. Olivero & R. Sutherland (Eds.), *Proceedings of the 7 ^{th} International Conference on Technology in Mathematics Teaching* (Vol.1, pp. 69-77). Bristol, UK: University of

- Christou, C., Mousoulides, N., Pittalis, M., & Pitta-Pantazi, D. (2005). Student, Classroom, and School Variables’ Effects on Mathematical Achievement. In J. Novotna (Ed.) *International Symposium of Elementary Maths Teaching *(Vol. 1, pp. 86-94)*.* Prague: Czech Republic.

- Pittalis, M., Mousoulides, N., & Christou, C. (2005). Integrating technology in a mathematics cognitive intervention program. *Proceedings of the Fourth Conference of the European society for Research in Mathematics Education (Thematic Group 9)*. Spain: Saint Feliu de Guixols.

- Pittalis, M., Christou, C., Mousoulides, N., & Pitta-Pantazi, D. (2004). A structural model for problem posing. In M. J. Hoines, & A. B. Fuglestad (Eds.), *Proceedings of the 28 ^{th}Conference of the International Group for the Psychology of Mathematics Education* (Vol. 4, pp 49-56)

*.*Bergen, Norway.

- Christou, C., Mousoulides, N., Pittalis, M., Pitta-Pantazi, D. (2004). Proofs through exploration in dynamic geometry environments. In M. J. Hoines, & A. B. Fuglestad (Eds.), *Proceedings of the 28 ^{th}Conference of the International Group for the Psychology of Mathematics Education* (Vol. 2, pp 215-222)

*.*Bergen, Norway.

- Christou, C., Mousoulides, N., Pittalis, M., Pitta-Pantazi, D. (2003). Problem solving and posing in a dynamic geometry environment. In T. Triandafillidis and K.Hatzikiriakou (Eds.) *Proceedings of the 6th International Conference on Technology in Mathematics Teaching* (pp. 125-132). Volos, Greece: University of Thessaly.

- Pittalis, M., Christou, C., & Papageorgiou, E., (2003). Students’s ability in solving proportional problems. In M. A. Mariotti (Ed.), *Proceedings of the Third Conference of the European society for Research in Mathematics Education *(Thematic Group 3, p.1-10). Italy, Bellaria.

- Papageorgiou, E., Pittalis, M., & Mousoulides, N. (2003). 5^{th} and 6^{th} grade students’ ability in solving proportional problems. In A. Gagatsis and S. Papastavridis (Eds.), *3 ^{rd} Mediterranean Conference in Mathematics Education *(pp. 305-312). Athens: Hellenic Mathematical Society.