World’s Greatest Mathematical Card Trick

Invented by mathemagician Art Benjamin, shared by mathematician and prolific puzzle author Ian Stewart, and published by Author Garth Sundem, The World’s Greatest Mathematical Card Trick is a search to identify the four aces. Follow this simple setup and rules until you leave everyone in the room wondering how you tricked them!

  • Source:
  • Time Required: less than 15 minutes
  • You’ll Need: a deck of cards

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