While looking at the room layout and investigating the (moveable and re-formatable -- it comes in 4x8 blocks!!!) stage, I smelled a math problem, so I took a few photos!!!
For sure there's a geometry and area on here with the stage... and also something with the chairs and tables arrangements... for secondary, you could get into the cash bar (sorry, didn't take a photo of that, but...??!)
Let the brilliant ideas begin...