-Play Tetris until the blocks were stacked over half way up the board (usually the time when it becomes very difficult to place blocks into a line).
-When the blocks are at least half way up the boards, take a screenshot of the iPad by clicking the power and home buttons simultaneously.
-Open the app Educreations and insert the photo into a slide.
-Calculate and record the area of each coloured block.
I found this to be a very engaging way for students to apply their knowledge of measuring area.