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# All posts tagged "cards"

• Dr. MATHS RANDOMNESS SHOW • Steve Humble

Understanding if events are random or have some underlying structure is a fascinating area of mathematics, filled with great discoveries. A Math Magic show with Mr. Math. In the short run, chance may seem to be volatile...

• Posted February 14, 2016
• 0
• Magical Invariants

What remains unchanging? On what can one rely? For centuries, mathematicians have searched for invariants, that is, to put it simply, quantities whose values do not change with respect to some operation under consideration. By Ehrhard Behrends...

• Posted February 1, 2016
• 0
• The clairvoyant (mathe)magician

I suppose that a pack of cards is the most important prop for a populariser of mathematics. Or a mathematics teacher. Or a mathematics enthusiast. Or … Playing cards can be used to teach numbers (obviously), introduce...

• Posted February 1, 2016
• 0
• A trick for three

While most mathemagical tricks involve only the performer and one spectator, here is an example of a trick that involves three spectators. To perform it, you need a standard deck of 52 cards, which are given to...

• Posted February 1, 2016
• 0
• A symmetric trick

One of the tricks that always impress the audience who do not know the simple geometry behind it is this simple card trick. It can be done quickly, and works well in all settings by Franka Miriam...

• Posted February 1, 2016
• 0
• Cheney’s trick

The trick we shall describe here is also known as the best card trick there is. It is more elaborate than most standard mathemagical tricks, but the effort is worthwhile, because the effect is stunning for most...

• Posted February 1, 2016
• 0
• Prime and Composite

A great simple card trick involving two spectators is this one. When disclosed, it reminds them of something they should have learned in school…  by Franka Miriam Brueckler …the difference between prime and composite numbers, which can...

• Posted February 1, 2016
• 0
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