Need a fun and engaging way to practice multiplying and dividing integers? This zombie-themed CSI Math Mystery is perfect for Halloween math, fall lessons, back-to-school review, or anytime during the year. Designed for 6th, 7th, 8th, and 9th grade students, it reinforces integer operations through puzzles, problem-solving, and high-interest storytelling. Zombie Outbreak Mystery Story: A mysterious virus has infected your school. Students and teachers are turning into zombies—and only math can