- Ahn, A., Brown, J., Coles, A., Le Roux, K., Mellone, M., Ng, O., Solares, A. (2021, July).
*Researching mathematics curriculum innovation in complex, changing, uncertain times.*Working group paper presented at the 2021 Virtual Meeting of the IGPME. - Yeung, W.L., Ng, O., So, H.-S.C., Kwo, C.-M.T. (2021, August).
*Affective dimensions of STEM education for gifted students: The case of empathy map*. Presentation at the 24th Biennial World Conference by World Council for Gifted and Talented Children - Ng, O. (2020, December). Exploring an innovation to support preservice teachers’ video-based noticing in the context of technology-enhanced instructions. Long paper presented at the Annual Meeting of AREA [iPoster Session].
- Brown, J., Coles, A., Helliwell, T., Le Roux, K., Mellone, M., Ng, O., Solares, A. (2020, July).
*Innovating the mathematics curriculum in times of change: Towards local and global relevance.*Working group paper presented at the 2020 Virtual Meeting of the IGPME. - Ng, O. (2019, December).
*Developing computational thinking and mathematical problem solving through digital Making.*Paper presented at the International Conference on Advances in STEM Education 2019. Hong Kong. - Ng, O. (2019, November).
*Supporting teacher education with video-based noticing: A technological innovation*. Paper presented at the Asian Conference on Education 2019. Tokyo, Japan. - Ng, O. & Ni, Y. (2019). The relationship between discourse moves and authority structures in mathematics classrooms. In M. Graven, H. Venkat, A. Essien & P. Vale (Eds.)
*Proceedings of the 43rd Conference of the International Group for the Psychology of Mathematics Education*(Vol. 4, p.169). Pretoria, South Africa: PME - Ng, O. (2019). Hands-on Making: Doing STEM in Mathematics Classrooms. In K.L. Wong, Y.L. Li, K.W. Yau., & K.W. Wong (Eds.).
*Proceedings of the Hong Kong Mathematics Education Conference*(pp.108-121). HKAME: Hong Kong - Ng, O. (2018). In-service mathematics teachers’ video-based noticing of technology integration. In E. Bergqvist, M. Österholm, C. Granberg, & L. Sumpter (Eds.).
*Proceedings of the 42nd Conference of the International Group for the Psychology of Mathematics Education*(Vol. 5, p. 118). Umeå, Sweden: PME - Ting, F., Ng, O., & Lam, C. (2018). Active learning in an undergraduate calculus class using interactive online whiteboards.
*Proceedings of the 8*(p.165)^{th}ICMI-East Asia Regional Conference on Mathematics Education*.*Taipei, Taiwan. - Wong, W., & Ng, O. (2018). Learning algebraic expressions through rich tasks with learners’ generated examples.
*Proceedings of the 8*(p.164)^{th}ICMI-East Asia Regional Conference on Mathematics Education*.*Taipei, Taiwan. - Ho, C.O., Ng, O. (2017). Investigating secondary students’ concept images on division algorithm and relation between these concept images to early learning experience.
*Proceedings of the 41st Conference of the International Group for the Psychology of Mathematics Education, Vol 2 (p.67).*PME: Singapore. - Ng, O., & Chan, T.H. (2017). Visualizing 3D solids with 3D printing technology.
*Proceedings of the 41st Conference of the International Group for the Psychology of Mathematics Education, Vol 2 (p.30).*PME: Singapore. - Ng, O. (2017, April).
*A non-deficit view for studying bilingual learners engaging in mathematical activities with touchscreen technology*. Long paper presented at the Annual Meeting of AERA. San Antonio, Texas, USA. - Ng, O., & Sinclair, N. (2016, July). Drawing in space: Doing mathematics with 3D pens. Paper presented at the 13th International Congress on Mathematical Education. Hamburg, Germany.
- Ng, O. (2015). Saming, reification and encapsulation in dynamic calculus environment. In N., Amado, & S. Carreira (Eds.).
*Proceedings of the 12th International Conference on Technology in Mathematics Teaching*(pp.473-481)*.*University of Algarve, Faro, Portugal. - Ng, O. (2015). Bilinguals’ non-linguistic communication: Gestures and touchscreen dragging in calculus. In T.G. Bartell, K.N. Bieda, R.T. Putnam, K. Bradfield, & H. Dominguez, H. (Eds.)
*Proceedings of the 37th annual meeting of the North American Chapter of the International Group for the Psychology of Mathematics Education,*pp.526-533. East Lansing, MI: Michigan State University. - Ng, O., & Ferrara, F. (2015). A materialist conception of early algebraic thinking. In X. Sun, B. Kaur, J. Novotna (Eds.),
*Proceedings of International Commission on Mathematical Instruction (ICMI) Study 23*(pp.550-558). Macau SAR, China. - Ferrara, F., & Ng, O. (2014). Mathematical activities in a social learning framework: How multimodality works in a community of practice. In P. Liljedahl, C. Nicol, S. Oesterle, & D. Allan (Eds.).
*Proceedings of the Joint Conference of PME 38 and PMENA 36 (Vol. 3, p*p.65-72). Vancouver, Canada: PME. - Ng, O. (2014). The interplay between language, gestures, dragging, and diagrams in bilingual learners’ mathematical communications. In P. Liljedahl, C. Nicol, S. Oesterle, & D. Allan (Eds.).
*Proceedings of the Joint Conference of PME 38 and PMENA 36 (Vol. 4*, pp.289-296)*.*Vancouver, Canada: PME. - Ng, O. (2014). ‘They are getting married!’ Towards a dynamic, functional understanding of symmetry in primary school. In P. Liljedahl, C. Nicol, S. Oesterle, & D. Allan (Eds.).
*Proceedings of the Joint Conference of PME 38 and PMENA 36 (Vol. 1*, pp.197-198). Vancouver, Canada: PME. - Ng, O., & Sinclair, N. (2013). Gestures and temporality: Children’s use of gestures on spatial transformation tasks. In A.M. Lindmeier, & A. Heinze. (Eds.).
*Proceedings of the 37th Conference of the International Group for the Psychology of Mathematics Education (Vol. 3,*pp. 361-368). Kiel, Germany: PME