Lottery, Bingo & Number Games
Bingo rules free space
The free space is the centre square on a 5×5 American bingo card that counts as already filled, so no number needs to be called for it.
- Grid size
- 5×5, 25 squares total
- Free spaces per card
- 1 (the centre square)
- Number pool
- 1–75
Key points
- The centre square is pre-marked and does not require a drawn number. 1
- It helps complete any winning pattern that passes through the centre, such as a row, column, or diagonal. 1
- The free space is standard on American bingo cards but may not appear in other bingo variants. 2
Where this term is used
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Sources
- Bingo (American version) - Wikipedia en.wikipedia.org Defines the free space and explains its role on the American bingo card.
- Bingo card - Wikipedia en.wikipedia.org Provides details on the 5×5 grid layout and the standard number pool.
Sources are drawn from regulators, universities and published research, and each one is labelled with what it actually is — a preprint is not called a paper. Bookmaker and affiliate pages are never cited here, because a page that sells betting is not a neutral authority on it.