Looking for a fun and engaging way to review multiplication and division facts this December? This printable Christmas and Winter CSI Math Mystery is perfect for 3rd grade, 4th grade, 5th grade, and 6th grade math students who need extra practice with their 12 times tables. Designed as a festive math mystery game, it's ideal for winter math centers, holiday enrichment, and December review. Students solve a series of multiplication and division problems, cross off suspects, and work to solv