Please enjoy this freebie game in your classroom. There are 10 bingo boards with base ten models of numbers 1-50 for small group play. There are numbered cards included for the bingo caller to use. There are many different ways to win at bingo- 3 in a row horizontally, 3 in a row diagonally, 3 in a row vertically as well as 4 corners. The number one rule is to enjoy the game.