A Colourful Prediction
Red or black? With just one question, I’ll impress you!
Let’s play with two colors and sort the shuffled cards. With just one question, the magician will impress you.
Ah! The surprises of complementarity! How can you make this magic trick work every time? What calculation ensures success? A trick that uses only 20 cards, making it easier to practice.
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:
- Video of the trick
- Sheet of paper
- Pencil
- Decks of cards
- Appendices 1, 2, and 3 (Kindergarten to Grade 1 – optional)
Teacher
To view all materials and supporting documents for this activity, please make sure you are logged in to your account.