It is a truth universally acknowledged that problem solving forms the basis for successful mathematics education; solving of carefully selected problems helps to develop, refine and
cultivate creativity (Kopka, 2010, Foreword).
How can one tell whether a pupil has learned anything from mathematics? It is generally acknowledged that problem solving is an indicator of the state of grasping concepts and ideas pupils are learning.
Problem solving skills develop fast if the solver gets new and new experience with the activity. Pupils’ performance in problem solving improves if they repeatedly meet the same type
of problem or if they can make use of their previous experience
(Eysenck, 1993).