This 1st grade Halloween math mystery is an October math activity that both the teacher and student will enjoy! Students complete Halloween math worksheets while solving a first grade Halloween math escape room! It's NO prep work and comes in 2 versions: 1st grade math OR math mystery addition and subtraction facts. Use this as a Halloween math game any day of the week or during a Halloween room transformation to solve "The Case of the Missing Candy!" A digital math mystery / digital escape room