• Early algebra
• Intuitive knowledge of mathematical ideas
• Teachers’ noticing of learners’ mathematical thinking
• Change in mathematics education
• Mathematical identity making in fiction and nonfiction texts
• Identity making in mathematics education

• American Educational Research Association (AERA) – Educational Change SIG
• American Educational Research Association (AERA) – Chaos and Complexity SIG
• American Educational Research Association (AERA) – Literature SIG
• American Educational Research Association (AERA) – Mathematics Education SIG
• Canadian Mathematics Education Study Group (CMESG)
• International Congress on Mathematics Education (ICME)
• North American Chapter of PME (PME-NA)
• Psychology of Mathematics Education (PME)

Partial list of peer-reviewed journal publications

Fellus, O., Low, D. E., Guzmán, L. D., Kasman, A., & Mason, R. T. (2022). Hidden Figures, Hidden Messages: The Construction of Mathematical Identities with Children’s Picturebooks. For the Learning of Mathematics 42(2), 2−8.

Polotskaia, E., Fellus, O. O., Cavalcante, A., & Savard, A. (2022). Students’ problem solving and transitioning from numerical to relational thinking. Canadian Journal of Mathematics, Science and Technology Education. https://link.springer.com/content/pdf/10.1007/s42330-022-00218-1.pdf

Freiman, V., & Fellus, O. (2021). Closing the gap on the map: Davydov’s contribution to current early algebra discourse in light of the 1960s Soviet debates over word-problem solving. Educational Studies in Mathematics. https://doi.org/10.1007/s10649-020-09989-6

Refereed Book Chapters

Polotskaia, E., Savard, A., Fellus, O., & Freiman, V. (2023). Equilibrated development approach to word problem solving in elementary grades: Fostering relational thinking. In K. Robinson (Ed.), Mathematical Teaching and Learning: Perspectives on Mathematical Minds in the Elementary and Middle School Years (pp. 29–50). Cham: Springer International Publishing. https://link.springer.com/chapter/10.1007/978-3-031-31848-1

Papers in published conference proceedings

Fellus, O., Freiman, V., Lurette, O. (2024). Rapturousness in makerspaces: Delight in construction. Proceedings of the International Symposium on Mathematics and its connections to the Arts and Sciences (MACAS), Moncton 2022. IAP.

Freiman, V., & Fellus, O. (2024). Spatial reasoning in authentic contexts of an engineering challenge: Tapping into children’s intuitive understanding of relationships between objects and self. The 26^thICMI Study: Advances in Geometry education. Reims, France.

Fellus, O., & Trakulphadetkrai, N. V. (2024). Mathematical story picture books and the construction of authorial identity in mathematics: Creating spaces for writing fiction to learn mathematics. International Commission for Mathematical Education (ICME15). Sydney, Australia.

Fellus, O., & Freiman, V. (2024). “Oh My Gosh! I need to do this!”: Reflections on rapturousness, doing mathematics, and giftedness. International Commission for Mathematical Education (ICME15). Sydney, Australia.

Segal, R., & Fellus, O. (2024). Changing practices in a changing world: The dynamics of TPACK in a mathematics teacher educators’ task design. International Commission for Mathematical Education (ICME15). Sydney, Australia.

Fellus, O., Khan, S., & La France, S. (forthcoming). Weaving identity in mathematics education: Fads, fictions, fibers, and freedoms / Le tissage d’une identité dans l’enseignement des mathématiques: les modes, les histoires, les ficelles et les libertés. In J. Holm (Ed). Canadian Mathematics Education Study Group (CMESG).

Freiman, V., Fellus, O., Lurette, O., (2022). Kindergarten students solving engineering challenges in a STEM lab: Manifestations of spatial reasoning skills. In J. Bobis & C. Preston (Eds.), Proceedings of the 7th International STEM in Education Conference (STEM 2022), University of Sydney, Sydney, Australia, University of Sydney.

Refereed Conference Proceedings

Kew, K., Janc-Malone, H., Fellus, O., Le Fevre, D. (2024/March). Educational change post-pandemic: Our school leaders and the rising demands of the profession. Paper Session. The power of protest. Comparative and International Education Society (CIES). Miami, Florida. 

Janc-Malone, H., Fellus, O., Le Fevre, D., Kew, K. (2024/March). Meaningful and sustainable educational change in a post-pandemic world. Panel Session. The power of protest. Comparative and International Education Society (CIES). Miami, Florida. 

Fellus, O., Le Fevre, D., Janc-Malone, H., & Kew, K. (2024/April). Epistemic vistas, new frontiers, and uncharted paths: Co-constructing educational possibilities through network synchronization. Paper submitted to the Annual Meeting of the American Educational Research Association (AERA),Dismantling racial injustice and constructing educational possibilities: A call for action. Philadelphia, PA.

Marquez, H. & Fellus, O. (2023/June). Fitting the puzzle pieces: Student engagement and educational technology. Society for Teaching and Learning in Higher Education / La société pour l’avancement de la pédagogie dans l’enseignement supérieur. Charlottetown, PEI.

Fellus, O., Freiman, V., Robichaud, X., Lingley, J. (2023/March). A ray of hope in the socio-ecological turn in mathematics education: What does it take for grade-3 students to build a village? The New Brunswick context. Mathematics Education and the Socio-ecological Turn. International Commission on Mathematical Instruction (ICMI) Symposium on Mathematics Education and the Socio-Ecological.

Segal, R., Fellus, O., Shriki, A., Silverman, B., Movshoviz-Hadar, N. (2023/June). Grassroots level trends in mathematics education in a time of crisis. Symposium. Eighth International Conference on Teacher Education Passion and Professionalism in Teach Education. The MOFET Institute, Israel.

Freiman, V. & Fellus, O. (2022/July). Perseverance in making: How kindergarten students solve complex STEM challenges. Paper presentation. The Wonders of STEM and STEAM Education: What, Why, and How? Jerusalem, Israel.

Segal, R., Nachshon, M., Fuhrmann, T., Fellus, O., Miedijensky, S., & Biton, Y. (2022/July). Implementing STEAM Education: Towards a scalable pedagogical paradigm. Research and development working group. The Wonders of STEM and STEAM Education: What, Why, and How? Jerusalem, Israel.

Biton, Y., Segal, R., & Fellus, O. (2022/February). Students’ perceptions of learning mathematics in the WhatsApp environment through the Bagroup project. Congress of the European Society for Research in Mathematics Education (CERME12), Bolzano, Italy.

Fellus, O., Mujawamariya, D., Mavriplis, C., Fournier, J., & Adatia, S. (2022/April). Blind spots, black holes, and blotted vision: Marshaling deeper understandings of data analysis in research teams. In Leveraging and un-structuring techniques and analysis in qualitative research. Paper presented at the Annual Meeting of the American Educational Research Association (AERA), San Diego, CA.

Hnatyshen, K., & Fellus, O. (2021/November). Border crossings and discourse spaces: Creating spatial identities through translations of blockheads, potatoes, and fish soup. VocUm: Language, Norm, and Power, November, Montreal, QC.

Farzi, R., & Fellus, O. (2021/April). Mission possible: Developing academic literacy in an English intensive program. Bilingualism and Beyond: Advancing the Thinking on Pedagogies, Policies, and Practices, Canadian Centre for Studies and Research on Bilingualism and Language Planning (CCERBAL), University of Ottawa, Ottawa, ON.  

Li, R., & Fellus, O. (2020/November). The discourse in translated children’s fiction: A case study of the Chinese translation of The Boy in The Dress. VocUm: Language, Norm, and Power, November, Montreal, QC.

Invited talks

Khan, S., Fellus, O., Khirwadkar, A. (March, 2024). Reflections on the first year of using Beast Academy Online (BAO) with pre-service teacher candidates. The Fields Institute for Research in Mathematical Sciences: MathEd Forum, Toronto.

Freiman, V., & Fellus, O. (March, 2024). What does it mean to teach numeracy in technology-rich environments? Reflecting on the experience of New Brunswick. The Fields Institute for Research in Mathematical Sciences: MathEd Forum, Toronto.

Fellus, O. (February 6, 2023). Why should we care about research in mathematical identity: The case of picturebooks as construction sites for young children’s mathematical identity [Guest Speaker]. Professor David Hutchison, EDUC1F95 Foundations of Education, Faculty of Education, Brock University.

Fellus, O., & Freiman, V. (January, 2023). Spatial reasoning in authentic contexts of an engineering challenge: Tapping into children’s intuitive understanding of relationships between objects and self. The Fields Institute for Research in Mathematical Sciences: MathEd Forum, Toronto.

Fellus, O. (February 24, 2022). Book Review Workshop. Journal of the Canadian Association for Curriculum Studies / La Revue de l’association canadienne pour l’étude de curriculum. JCACS Curriculum Without Borders. YouTube channel. https://www.youtube.com/watch?v=77trlFfJ8Wc

Fellus, O. (January 18, 2022). SEL in math!? The why, the what, and the how. Teacher Education Program, PLC. Faculty of Education, University of Ottawa.

Fellus, O. (December 22, 2021). SEL in mathematics education. The Center for Educational Technology, Mathematics Department, Israel.

Fellus, O. (December 16, 2021). Institutionalized discrimination and systemic oppression in higher education. Anti-racism conversation group. Faculty of Education, University of Ottawa.

Fellus, O. (June 23, 2021). Racism in academic contexts. Conversation about anti-racism in education. Anti-racism conversation group. Faculty of Education, University of Ottawa.

Fellus, O. (May 12, 2021). Demystifying mathematics: Socio-emotional learning and identity making in mathematics education. Ottawa Catholic School Board, Professional Development Day.

Fellus, O. (April 23, 2021). Social-emotional learning in mathematics education. The Fields Institute for Research in Mathematical Sciences: MathEd Forum. http://www.fields.utoronto.ca/sites/default/files/uploads/MathEd%20Forum%20Agenda%20for%20April%202021.pdf

Kew, K. & Fellus, O. (2021/March). Using Twitter as Social Media to Enhance Teaching and Learning for Graduate Students: An International Collaboration NMSU 2021 Quality in Online Education Conference. New Mexico State University, Las Cruces, New Mexico.

Fellus, O. (December 9, 2020). A conversation on conversational book reviews: Some principles and practices for writing academic book reviews with a focus on dialogicality, capacity building, and community. The Joint PhD in Educational Studies program Lakehead University, Brock University & University of Windsor, Lakehead University | Faculty of Education.

Fellus, O. (November 25, 2020). Book Review Workshop. Journal of the Canadian Association for Curriculum Studies / La Revue de l’association canadienne pour l’étude de curriculum. JCACS Curriculum Without Borders. YouTube channel. https://www.youtube.com/watch?v=kO2mKB6rCxY

Fellus, O. (November 19, 2020). We must recognize the influence of picturebooks on mathematical dispositions. uOttawa Women in Mathematics.

Fellus, O. (July 9, 2020). R²ESP: Writing, revising, editing, and submitting papers for publications [guest speaker]. Professor Kristin Kew, School of Teacher Preparation, Administration, and Leadership (TPAL), Educational Leadership & Administration, New Mexico State University.

Fellus, O. (April 10, 2020). Five Minutes on K-12 Online Learning with Dr. Fellus. Virtual School Meanderings with Dr. Michael Barbour  https://virtualschooling.wordpress.com/2020/04/24/5-minutes-on-k-12-online-learning-with-osnat-fellus/

Fellus, O. (April 27, 2020). Hidden figures: How socioculturally available narratives produce and reproduce students’ perception of self as learners of mathematics. The Ottawa-Carleton Symposium on Science, Technology, Engineering & Mathematics (STEM) Teaching and Learning (Cancelled because of COVID-19).   

Fellus, O. (March 14, 2020). From theory to practice: Harnessing tenets from complexity theory to inform language classroom management. International and Indigenous Languages Program, 2020 PD Day Workshops. Éducation permanente, CECCE. Écoles Catholiques (Cancelled because of COVID-19).

Fellus, O. (February 26, 2020). The co-construction of mathematical identity with picturebooks: The case of Shetterly, M. L. (2018) Hidden figures: The true story of four black women and the space race. New York, NY: HarperCollins. uOttawa Women in Mathematics.

Fellus, O. (January 29, 2020). The co-construction of mathematical identity with picturebooks: The case of Reisberg, J., & Hohn, D. (Illustrator). (2006). Zachary Zormer Shape Transformer: A math adventure. Watertown, MA: Charlesbridge. uOttawa Women in Mathematics.

Mason, R., Fellus, O., Low, E. D., Kasman, A., & Guzmán, L. (January 25, 2020). Myths, identities, and socioculturally available narratives: Toward understanding how picture books shape children’s mathematical identities. The Fields Institute for Research in Mathematical Sciences: MathEd Forum. http://www.fields.utoronto.ca/video-archive/2020/01/1574-22111

Non-refereed Scholarly work

Mason, J., Watson, A., & Fellus, O., (December 6, 2023). JCACS interviews Anne Watson and John Mason: Mathematics in the curriculum. YouTube channel: Curriculum without borders. Journal of the Canadian Association for Curriculum Studies https://www.youtube.com/watch?v=bMx1haggeUs&t=1s

Gerofsky, S., & Fellus, O. (December 6, 2023). JCACS interviews Susan Gerofsky: Where is mathematics in everyday life. YouTube channel: Curriculum without borders. Journal of the Canadian Association for Curriculum Studies https://www.youtube.com/watch?v=kT34KN7Bqfg&t=387s

Fine, S., & Fellus, O. (December 6, 2023). JCACS interviews Sarah Fine: The professionalization of the teaching profession – Curriculum in teacher education programs. YouTube channel: Curriculum without borders. Journal of the Canadian Association for Curriculum Studies https://www.youtube.com/watch?v=mEz2_d5ZZYs&t=86s

Low, D. E., Fellus, O., Guzmán, L. D., Kasman, A., & Mason, R. T. (2022). Picturebooks and children’s mathematical identity construction. Blog entry. Mathsthroughstories.org/blog.

Fellus, O. (2021/December). The Elementary, the Necessary, and the Arbitrary: Social Emotional Learning in Mathematics Education. Canadian Mathematics Education Study Group (CMESG) Newsletter. https://view.genial.ly/61a44c52dfd2c50d8a1f5b87

• EDUC 5P55 Mathematics in the Curriculum
• EDBE-8P44 Mathematics II Primary/Junior
• EDBE-8P39 Teaching Primary / Junior Mathematics I