Ng, O. (2021, April-May). Transformative technologies or transformative pedagogies? Workshops on using technologies for conceptual mathematics teaching and learning. Invited workshop series for Hong Kong Association of Mathematics Education.
Ng, O. (2021, January). Research and trends in mathematics teachers’ professional development. Invited presentation at Annual General Meeting of Hong Kong Association of Mathematics Education.
Ng, O. (2021, January). Using videos to support STEM teachers’ professional development regarding technology integration. Invited presentation at PALMS Virtual Symposium 2021.
Ng, O. (2020, September). Catering to learning diversity in the mathematics classroom. Invited presentation at Fung Kai Liu Yun Sum Memorial School on Professional Development Day.
Ng, O. (2019, October). Learning as Making: Using 3D technologies to support the teaching and learning of secondary school mathematics. Invited presentation at David Li Kwok Po College.
Ng, O. (2019, August). Implementing a ‘Learning as Making’ pedagogy in school mathematics. Invited presentation at Fung Kai Liu Yun Sum Memorial School on Professional Development Day.
Ng, O. (2018, June). Supporting visualization in STEM: 3D printing. Invited presentation at the Mini-symposium on TEAL in Tertiary STEM Education, Hong Kong Polytechnic University, Hong Kong.
Ng, O. (2017, June). Using emergent technologies to enhance the learning and teaching of STEM in Hong Kong’s secondary schools. Invited seminar presented at the Chinese University of Hong Kong, Hong Kong.
Ng, O. (2017, February). From classroom teaching to classroom researching: Reflections, sharing and perspectives from a teacher-researcher. Invited research seminar presented at the Simon Fraser University, Burnaby, BC, Canada.
Ng, O. (2016, June). “3D pens” and 3D printing: Research, ideas and discussion. Invited seminar presented at the Imperial Oil Science Technology Engineering and Mathematics (IOSTEM) 2016 Research Symposium, Vancouver, BC, Canada.
Ng, O. (2016, January). Language, gestures and touchscreen-dragging in school calculus: Bilinguals’ linguistic and non-linguistic communication. Invited research seminar presented at the Chinese University of Hong Kong, Hong Kong.
Ng, O. (2015, October). Doing MUCH more with your tablet PC, iPads, Androids, and student-owned technology. Presentation at the 54th Annual Northwest Mathematics Conference, Whistler, BC, Canada.
Ng, O. (2014, October). FTC: Explained! Teaching pre-calculus and calculus visually, conceptually, and dynamically. Presentation at the Annual Conference of the British Columbia Association of Mathematics Teacher, Guilford Park Secondary, Surrey, BC, Canada.
Ng, O. (2013, October). Introduction to dynamic mathematics environment: Designing applets and lessons that foster dynamic thinking and multiple representations in pre-calculus and calculus. Presentation at the Annual Conference of the British Columbia Association of Mathematics Teacher, Steveston London Secondary, Richmond, BC, Canada.
