Beginners help with Tangram game

HI there –
I’m pretty new to Actionscript but I have to develop a sort of Tangram game for a University project. In the end it should work on a multi-touch table.
There will be certain puzzle pieces that have to be dragged onto a predefined shape so that this shape is completely filled (it’s sort of like the game Ubongo if anyone knows that).

Can anyone help me how to get started? (if possible without OOP because I don’t know anything about that).

Thanks alot,