[mhd]

Isn't a bingo sheet supposed to be 5 x 5?

[patio11]

American or Commonwealth? Most Americans play with 5x5, but in principle you could do 3x3, 7x7, or 9x9. Commonwealth is typically 3x9, often sold in lots of six.

[danielweber]

'patio11 is our resident expert on bingo sheets.