One hour preparation for practising the trick and understanding the algebra used in the solution.One hour in classroom with the students as they explore the trick and mathematics.
None: just ensure that a full deck of 52 cards is used.Disclaimer: the authors of this teaching material will not be held responsible for any injury or damage to persons or properties that might occur in its use.
Preparation and list of materials
A standard pack of 52 playing cards with no jokers.Pencil and paper to record information in experiments.
Student will learn about the basics of algebra, such as variables, constraints, and equation substitution.
Videos showing this trick, as well as others, being performed and explained using a different ‘body language reading’ presentation can be found at: