PhD defence Mara Otten

On Friday, October 30, 2020,  at 11:00 hours exactly, Mara Otten (Utrecht University) will defend her thesis “Algebraic reasoning in primary school: A balancing act”.

An abstract of the thesis can be found at

Due to Covid-19 regulations, only a limited number of people can physically attend the public defence. For that reason, the defence can also be followed online, using the following link: