Students will love becoming math detectives! Players earn points for solving math mysteries in these entertaining and educational games. In each round, players read about a crime committed, and each player receives a suspect's alibi. Players must determine whether the math in their suspect's alibi is correct or not. If the math is correct, the suspect is innocent - if the math is incorrect, the suspect is guilty. Players are required to use multiple grade-level math skills to solve the crimes. Each game includes 50 math mysteries. For 2-4 players. Set of 200 cards and directions.