intersect-img

The Phone

Ring ring! Give the cards a call, they’ll tell you which one is yours!
Ring ring! Call the cards to find the one the spectator picked. Take your time and have fun eliminating the cards one by one. Add your own touch to build the suspense even more.

Positioning. Parity. Counting. This math magic trick involves several mathematical concepts. Once you've mastered it, you can have fun with the staging of the trick.
Explanations and Materials
This mathemagic trick includes an explanatory sheet detailing each step of the trick and revealing the mathematical principles behind it. It can be used to spark curiosity and deepen students' understanding of the concepts involved.

This activity requires some material preparation to enhance the experience:
  • 1 deck of cards per team
Teacher
To view all materials and supporting documents for this activity, please make sure you are logged in to your account.