As a rule, the game starts when all the players buy bingo tickets. A bingo ticket is a card with a 5x5 grid. 5 columns on the card correspond to 5 letters of the. Cards in the US are 5 rows by 5 rows with a letter from the word BINGO . There are no set rules in Bingo, so it really depends on who you're playing with. Back to printing BINGO cards. DLTK's Printables BINGO Instructions. PREPARE: Print out different BINGO cards for each child plus a call sheet. Cut out the call.