RIF 2.0 is a development project of the Workgroup for Didactical Innovation (ADI) for Geometry in cooperation with the Workgroup for Mathematics Education at the University of Salzburg (Austria). ADI GEOMETRIE is a registered, non-profit association.

Aim of this website:
The aim of this website is to provide free of charge online tasks for teachers and students at primary schools, secondary schools and universities. The interactive tasks are permanently available and are focusing the training and diagnoses of the ability of spatial thinking of students and provide immediate feedback.

Media owner:
Workgroup for Didactical Innovation (ADI) for Geometry, c/o Mag. Werner Gems, Lenzing 82, A-5760 Saalfelden am Steinernen Meer - ZVR number: 311676369

Contact, feedback:
Günter Maresch (project management) guenter.maresch (at), Heinz Slepcevic (technical implementation) heinz (at) and Klaus Scheiber (quality assurance) ks (at)

Data protection:
The contact data of the educator and the data of the classes will not be passed on to third parties. The results of the 24 task groups offered on this website do not contain any personal information, as the data of the students, which are recorded exclusively with the help of access codes, do not allow an assignment to specific persons.
All data is stored on the server for a period of five years. This is so that teachers can access the results of their pupils or students over a longer period of time. After five years, the data will be deleted from the server. If requested, the data of lecturers or classes can be deleted immediately. If necessary, please contact one of the above-mentioned persons.