Abstract
The contribution presents a part of an Research focused to pre-school child ah to the representation of natural number. Ther is a new diagnostic acitivity.
The moste important part analyse the child work - number of different configurations of spots corresponded to the configuration on the dice and presets the typology of "new configurations", the typology of used child'smethods: a) creation of new whole configuration and b) modification of precedent confgiguration.