Session Title: Teaching of Efficient Mathematics Organizers: Alkiviadis G. Akritas akritas@uth.gr Gennadi Malaschonok malaschonok@math-iu.tambov.su The title of this session indicates that we are welcoming everybody who is doing constructive mathematics with the help of computer algebra systems. Among the topics covered by this session are: 1. Reports on successful classroom experiences using mathematical software systems. 2. Impact of mathematical software systems on mathematical thinking and problem solving. 3. Impact of new technologies on mathematics teaching and learning. 4. New algorithms, (network) software for organising new forms of math teaching and studying, computer-based math texts, lectures and teaching units.