In the following pages you will find:
- an app containing a tangram;
- the app's instructions;
- tangram rules;
- a page about areas;
- a page about similarity of figures.
Translated for Atractor by a CMUC team, from its original version in Portuguese. Atractor is grateful for this cooperation.
(*) This work was carried out under a grant by the Calouste Gulbenkian Foundation to develop a project for the promotion of Mathematics in Atractor.
Difficulty level: Lower Secondary, Upper Secondary