Turn Halloween week into a high-engagement math challenge! Students crack four mystery cases by solving fraction operations, geometry puzzles, ratio/unit-rate questions, and multi-step word problems. Every case includes Level A (elementary) and Level B (middle school) versions so you can mix groups, differentiate on the fly, or spiral skills. Learners track work on Evidence Logs, enter codes on Lock Sheets, and identify the culpritโbacked by math. Teacher-friendly with rubric, hint cards,