What is a 9-on? This is the most typical pack of bingo sheets players purchase. A 9-on gives you nine bingo cards per sheet per game. In other words, for each bingo played, you have 9 chances of winning.
Free Space The space in the middle of all bingo cards that is free to the player and is considered called. Free spaces usually count towards winning a bingo game. Some bingo games are won by playing the hard way or without the benefit of the Free Space.