This is Bingo game is a great way to review or practice the important skill of simplifying expressions. To start the game, have each student create their own game board using a pen or marker (if they use a pencil, they may try and move their answers to get a bingo quicker). Before I begin the game, I walk around to make sure that all the game boards have been completed and write the numbers 1 to 20 on the board. To play the game, I usually will accept a traditional Bingo, box of 4 together, o