Dr. Iresha Ratnayake





work +49 6151 16-22452

Work S2|15 222
Schloßgartenstraße 7
64289 Darmstadt

My Publications

Ratnayake, I., Oates, G., & Thomas, M. O. J. (2016). Supporting teachers developing mathematical tasks with digital technology. In B. White, M. Chinnappan, & S. Trenholm (Eds.), Opening up mathematics education research (Proceedings of the 39th annual conference of the Mathematics Education Research Group of Australasia) (pp. 543-551). Adelaide: MERGA.

Ratnayake, I., Thomas, M. O. J., & Kensington-Miller, B. (2017). Confidence and collaboration in teacher development of digital technology tasks. In B. Kaur, W. K. Ho, T. L. Toh, & B. H. Choy (Eds.), Proceedings of the 41st Conference of the International Group for the Psychology of Mathematics Education (Vol. 4, pp. 81-88). Singapore: IGPME.

Ratnayake, I., & Thomas, M. O. J. (2018). Proceedings of the Re(s)sources 2018 International Conference. In V. Gitirana, T. Miyakawa, M. Rafalska, S. Soury-Lavergne, & L. Trouche (Eds.), Paper presented at the Re(s)sources 2018 Conference: Understanding teachers' work through their interactions with resources for teaching (pp. 219-222). Lyon, France.

Ratnayake, I., Bruder, R., Johlke, F. & Feldt-Caesar, N. (2019). Quality criteria for teachers to choose video tutorials for different learning situations. Proceedings of EDULEARN19 Conference p. 3669-3674. doi. 10.21125/edulearn.2019.0957

Fielding-Wells, J., Geiger, V., Miller, J., Bruder, R., Roder, U. & Ratnayake, I. (2019). Designing challenging online mathematical tasks for initial teacher education: Motivational considerations. 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. 2, pp. 240-247). Pretoria, South Africa: PME.