Hall, G. (2014) Preparing students for the extended numeracy demands of the modern workplace. Proceedings of the British Society for Research into Learning Mathematics.
Hall, G. (2013) Integrating Real-World Numeracy Applications and Modelling into Vocational Courses. Korean Society of Mathematical Education. Proc. 2013 International Conference.
Hall, G. (2011) The use of conversation analysis in identifying creative approaches to mathematical problem solving. Proceedings of the British Society for Research into Learning Mathematics 31(2).
Hall, G. (2011) Creativity in Mathematics through Analysis of ill-defined Problems. International Conference on Creativity in Mathematics Education, Riga.

Hall, G. (2014). Student language usage patterns and teaching strategies for a bilingual higher education computing course. Insight 1, pp 14-21.
Hall, G. (2014). Patrymau defnyddio iaith myfyrwyr a strategaethau addysgu ar gyfer cwrs cyfrifiadureg addysg uwch dwyieithog. Rhagflas 1, tud. 14-21.
Hall, G. (2018). Developing bilingual communication skills through Content and Language Integrated Learning. Research and Practice in Adult Literacies, v.94, pp 16-21.