Bingo Baker makes it easy to create bingo cards. You can generate hundreds of random cards and print them using the printer-friendly PDF (with no ads or watermarks). You can also save paper (and waste electricity instead) by playing your bingo game online (it works on the iPad).
"
A high frequency English word bingo game with a multi-levelled word generator and ready made bingo cards for you to print.
http://ictmagic.wikispaces.com/English
A site that provides ready-made printable bingo cards and a whiteboard resource that generates random number facts questions.
http://ictmagic.wikispaces.com/Maths