Students stand in a line in the classroom. The teacher gives a multiple and the first person begins counting. When the number you are going to say is a multiple of that number you say "buzz" instead of the number.
If a player forgets to say buzz or says it at the wrong time, he or she is out. Play continues until they group reaches the last multiple of the number times 12 (multiples of 2 would go until 24). Your team will receive 5 points for each member of your team that is still in the game when you get to the last multiple.