%0 Journal Article %A Edyta Juskowiak %A Marta Pytlak %T Children’s Mathematical Education %J Didactica Mathematicae %D 2014 %V 36 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.14708/dm.v36i0.695/ %R 10.14708/dm.v36i0.695 %G pl %F 10_14708_dm_v36i0_695