# Refereed Conference Proceedings

Zazkis, R. (2017). Order of Operations: A Case of Mathematical Knowledge-in-Use. *Proceedings of the Conference for Research in Undergraduate Mathematics Education*, San Diego, CA.

Zazkis, R. & Mamolo, A. (2016). Extending horizon: A story of a teacher educator.* Proceedings of the Conference for Psychology of Mathematics Education - North American Chapter. *Tucson AZ*.*

Kontorovich, I. & Zazkis, R. (2016). Static and dynamic: Negotiating incompatible perspectives on angle. *40 ^{th} International Conference for Psychology of Mathematics Education,* Szeged, Hungary.

Zazkis, R. & Kontorovich, I. (2016). On .symbols, reciprocals and inverse functions. *Proceedings of the Conference for Research in Undergraduate Mathematics Education*, Pittsburgh, PA.

Wijeratne, C. & Zazkis, R. (2015). Painter’s paradox: Epistemological and didactical obstacle. *Proceedings of the Conference for Research in Undergraduate Mathematics Education*, Pittsburgh, PA.

Zazkis, R & Nejad, M. (2014). Uncovering teachers’ views via imagined role playing. *Proceedings of the 38 ^{th} International Conference for Psychology of Mathematics Education*. Vol. 5. (pp. 425-432). Vancouver, BC.

Zazkis, R. & Zazkis, D. (2014). Proof scripts as a lens for exploring proof comprehension. *Proceedings of the Conference for Research in Undergraduate Mathematics Education*, Denver, CO.

Koichu, B. & Zazkis, R (2013). A dialogic method of presenting proofs: Focus on Fermat’s little theorem. *Proceedings of the Conference for Research in Undergraduate Mathematics Education*, Denver, CO.

Zazkis, R. & Zazkis, D. (2013). Exploring mathematics via imagined role-playing. *Proceedings of the 37 ^{th} International Conference for Psychology of Mathematics Education*. Vol. 4. (pp. 433-40). Kiel, Germany.

Koichu, B. & Zazkis, R (2013). A dialogic method of presenting proofs: Focus on Fermat’s little theorem. *Proceedings of the Conference for Research in Undergraduate Mathematics Education*, Denver, CO.

Zazkis, R. (2012). On (almost) immediate solutions to some non-trivial problems. *Proceedings of the International Workshop of Israel Science Foundation on Exploring and advancing mathematical abilities in high achievers*. Haifa, Israel.

Zazkis, R. & Mamolo, A. (2012). Musings on infinite sample space. *Proceedings of the Conference for Research in Undergraduate Mathematics Education*, Portland, OR.

Mamolo, A & Zazkis, R. (2012). Challenging convention: Mathematics students’ resistance to the unconventional. *Proceedings of the Conference for Research in Undergraduate Mathematics Education*, Portland, OR.

Zazkis, R., Leikin, R., & Chavoshi Jolfaee, S. (2011). On ‘Mathematics for elementary teachers’ courses. *Proceedings of the Conference for Psychology of Mathematics Education – North American Chapter. *Reno, NV.

Chavoshi Jolfaee, S. & Zazkis, R. (2011). Probability zero events: Improbable or impossible?* Proceedings of 35 ^{th} International Conference for Psychology of Mathematics Education*. Vol. 2 (pp. 217–224). Ankara, Turkey: PME.

Chernoff, E. & Zazkis, R.(2010). A problem with the ‘Problem of Points’. *Proceedings of the Conference for Psychology of Mathematics Education – North American Chapter. *Columbus, OH.

Leikin, R & Zazkis, R. (2009). *Exemplifying definitions: on the field-related character of teachers’ content knowledge. Proceedings of 33 ^{rd} International Conference for Psychology of Mathematics Education*. Vol. 4 (pp. 1–8). Thessaloniki, Greece.

Zazkis, R. & Leikin, R. (2009). Advanced mathematical knowledge: How is it used in teaching? *Proceedings of the Conference for European Research in Mathematics Education. *Lyon, France.

Zazkis, R. (2008). Conceptions of Mathematical giftedness: a Hollywood perspective. *Proceedings of the 5 ^{th} International Conference on Creativity in Mathematics and the Education of Gifted Students*. Haifa, Israel.

Zazkis, R. (2007). Number theory in Mathematics education: Queen and servant. *Proceeding of the 7 ^{th} Seminar on Elementary Mathematics Teaching*, Prague, Czech Republic.

Leikin, R. & Zazkis, R. (2007). A view on the teachers’ opportunities to learn mathematics through teaching. *Proceedings of 31 ^{st} International Conference for Psychology of Mathematics Education*. Vol. 1 (pp. 122–128). Seoul, Korea.

Zazkis, R. & Applebaum, M. (2007). Advancing mathematical thinking: Looking back on one problem. *Proceedings of the Conference for European Research in Mathematics Education. *Larnaca, Cyprus.

Berezovski, T. & Zazkis, R. (2006). Logarithms: Snapshots from Two Tasks. *Proceedings of 30th International Conference for Psychology of Mathematics Education. *Vol. 2. (pp. 145–152). Prague, Czech Republic.

Zazkis, R. & Chernoff, E. (2006). Cognitive conflict and its resolution via pivotal/bridging example. *Proceedings of 30th International Conference for Psychology of Mathematics Education. *Vol. 4. (pp. 465–472). Prague, Czech Republic.

Sirotic, N. & Zazkis, R. (2005). Locating irrational numbers on a number line. *Proceedings of the Conference for Psychology of Mathematics Education – North American Chapter.* Roanoke, VA.

Gholamazad, S., Liljedahl, P., & Zazkis, R. (2004). What counts as a proof? Investigation of Pre-service elementary teachers’ evaluation of presented ‘proofs’. *Proceedings of the conference for Psychology of Mathematics Education – North American Chapter.* Toronto, ON.

Sirotic, N. & Zazkis, R. (2004). Irrational numbers: Dimensions of Knowledge. *Proceedings of the conference for Psychology of Mathematics Education – North American Chapter.* Toronto, ON.

Zazkis, R & Sirotic, N. (2004). Making sense of irrational numbers: Focusing on representation. *Proceedings of 28th International Conference for Psychology of Mathematics Education.* Vol. 4. (pp. 497–505). Bergen, Norway.

Zazkis, R., Liljedahl, P. & Gadowsky, K. (2003). Translation of a function: Coping with perceived inconsistency. *Proceedings of the 27th International Conference for Psychology of Mathematics Education. *Honolulu. HI.

Gholamazad, S., Liljedahl, P., & Zazkis, R. (2003.) One line proof: What can go wrong? *Proceedings of the 27th International Conference for Psychology of Mathematics Education.* Honolulu. HI.

Zazkis, R. & Liljedahl, P. (2002). Repeating patterns as a gateway. *Proceedings of the 26th International Conference for Psychology of Mathematics Education. *Norwich, UK.

Zazkis, R. (2001). From arithmetic to algebra via “big” numbers. *Proceedings of the International Congress of Mathematics Education Study on Algebra.* Melbourne, Australia.

Zazkis, R. (2001). Elementary Number theory: Issues in research and pedagogy. *Proceedings of the 25th meeting of the Canadian Mathematics Education Study Group.*

Zazkis, R. & Liljedahl, P. (2001). Exploring multiplicative and additive structure of arithmetic sequence. *Proceedings of the 25th International Conference for Psychology of Mathematics Education.* Utrecht, Netherlands.

Liljedahl, P. & Zazkis, R. (2001). Analogy in the exploration of repeating patterns. *Proceedings of the 25th International Conference for Psychology of Mathematics Education. *Utrecht, Netherlands.

Dubinsky, E., Cordero, F., Hillel, J. & Zazkis, R. (1998). Theories and experiments in collegiate mathematics education research. *Proceedings of the conference for Psychology of Mathematics Education – North American Chapter.* Raleigh, NC.

Hazzan, O. & Zazkis, R. (1997). Constructing knowledge by constructing examples for mathematical concepts. *Proceedings of the 21st International Conference for Psychology of Mathematics Education*, Lahti, Finland.

Zazkis, R. & Campbell. S. R. (1994). The Fundamental Theorem if Arithmetic: Used and Confused. *Proceedings of the conference for Psychology of Mathematics Education – North American Chapter.* D. Kirshener (Ed), Baton Rouge, LA.

Campbell. S. R. & Zazkis, R. (1994). The distributive flaws: Latent conceptual gaps in preservice teachers’ understanding of the property relating multiplication to addition. *Proceedings of the Conference for Psychology of Mathematics Education – North American Chapter.* D. Kirshener (Ed), Baton Rouge, LA.

Zazkis, R. & Campbell. S. R. (1994). Divisibility and division: Procedural attachments and conceptual understanding. *Proceedings of the 18-th International conference for Psychology of Mathematics Education*, Lisbon, Portugal.

Zazkis, R. (1993). What is the meaning of 12.34five? Preservice teachers’ interpretations. *Proceedings of the conference for Psychology of Mathematics Education – North American Chapter.* B. Pence (Ed), Asilomar, CA.

Zazkis, R. (1992). Inverse of a product: A theorem out of action. *Proceedings of the 16-th international conference for Psychology of Mathematics Education*, W. Geeslin and K. Graham (Eds.), New Hampshire.

Zazkis, R. & Leron, U. (1989). Images of geometrical transformations: from Euclid to the turtle and back, *Proceedings of the 13-th international conference for Psychology of Mathematics Education*, G. Vergnaud et al (Eds.), Paris.