Ana Paula Aires obtained a degree in Mathematics Education at the University of Coimbra in 1990, and was a Mathematics teacher in Basic and Secondary Education for one year. In 1991, she joined the University of Trás-os-Montes e Alto Douro (UTAD) and obtained her Master’s degree in Mathematics from the University of Coimbra in 1996. Her PhD in Mathematics Education (specialising in Mathematics Didactics) was obtained from the University of Salamanca in 2006. She was a research member of the Research Centre of Mathematics - CM-UTAD (UTAD), from July 2007 to October 2013, where she was Director of the Mathematics History and Methodology research group from July 2010 to October 2011. She has been a research member of the Didactics and Technology Research Centre in the Education of Trainers - CIDTFF at the University of Aveiro since December 2013. She is presently an Assistant Professor in the UTAD’s Mathematics Department, where she is responsible for curricular units in the initial and advanced teacher training courses. Her research interests include these areas: Didactics of Mathematics, History of Mathematics teaching, History of Mathematics, Teachers' Professional Practice, ICT in teaching Mathematics and Teacher Training, Theory of numbers.