Abstract
Outdoor edcation was recomanded by Comenius in 17en century but the outdoor education education has a yunger tradition. Charles University - Department od mathematics drive benefit from this tradition and outdoor mathematics make a part of their courses.
We pouved that there are some outdoor activities which are more effecient as a similar actitities realised in a class room. We choisen 4 contexts (gym-hall, kitchen, playground, centre of city) and we presented observed activities realised by pupils and students (czech and foreiner).
Choisen activities were analysed.