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Turn ratio practice into an exciting detective investigation!

Students solve three ratio-based clues to identify who stole the priceless “Star of Windermere” diamond. As each clue is solved, suspects are eliminated until the culprit is revealed.

This activity covers:

  • Simplifying ratios
  • Three-part ratios
  • Sharing quantities in a given ratio

What’s Included:

  • Student worksheet
  • Teacher answer key
  • PowerPoint with answer reveals and teaching notes
  • Complete solutions

Perfect for Year 8 maths, ratio units, revision lessons, group work, independent practice, and cover lessons.
Lesson Duration: Approximately 40–45 minutes.

Can your students use their ratio skills to crack the case and catch the thief?

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