Bring festive excitement to your maths lessons with this Christmas Ratio Murder Mystery, ideal for KS2 and lower KS3 Maths, Christmas activities, end-of-term lessons or problem-solving sessions. Pupils work through a full detective-style challenge using ratio reasoning, missing amounts, and scaling to uncover who stole Santa’s sleigh, where the crime took place, and when it happened.
Learners begin by analysing six Christmas-themed suspects—such as Santa’s Elf, The Gingerbread Man, Frosty the Snowman and Peter Penguin—each giving an answer to a ratio problem. Only the thief is telling the truth, so pupils must calculate each scenario accurately to eliminate suspects.
The mystery continues with location clues at four settings (Bowling Alley, Cinema, The Gym, Coffee Shop). At the correct location exactly two statements are true, encouraging pupils to work systematically through ratio and proportion questions.
Finally, pupils examine day-of-the-week clues, each with two ratio or scale statements. The correct day is the one where both statements are correct, providing another layer of reasoning and cross-checking.
The included accusation sheet and the full solution make this ideal for independent work, group tasks or whole-class detective lessons.
What’s Included
✦ Full Christmas-themed ratio murder mystery puzzle
✦ Missing amount and proportional reasoning questions
✦ Christmas suspects with ratio-based clues
✦ Location clues and day-of-week logic problems
✦ Accusation grid for pupils to record deductions
✦Complete worked answer key for teacher use
✦ Perfect for KS2–KS3 reasoning, fluency and festive problem-solving
Why Teachers Love It
• ✔ High engagement—perfect for December lessons
• ✔ Encourages careful calculation, reasoning and logical deduction
• ✔ Accessible for mixed-ability classes
• ✔ Ready to print and use with no preparation
• ✔ Ideal for pair work, small groups or whole-class investigations
Related products
https://www.tes.com/teaching-resource/christmas-maths-mystery-reverse-percentages-12607266
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