The 24 Game puzzle is a mathematical puzzle in which the objective is to find a way to manipulate four integers so that the end result is 24.  Students study and practice math facts all season in order to discover and elaborate mathematical equations and solutions.  The culminating event is a regional competition in elementary and middle school.  Students compete at Annapolis High School and Severna Park Middle School in late spring.

Read more about it here - follow this link:https://www.24game.com/