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# All posts by Franka Miriam Brueckler

• The Three Ducks Trick

The described trick is a “ducky” version of the trick known as Hummer’s 3-Object Divination, which is described in Martin Gardner’s book “Mathematics, Magic and Mistery” (Dover Publ., New York, 1956). by Franka Miriam Brueckler There are...

• Posted February 1, 2016
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• Always the same end

While most number magic tricks have quite elementary background, there are exceptions. One of the most puzzling ones is the trick we shall describe here. by Franka Miriam Brueckler While most number magic tricks have quite elementary background,...

• Posted February 1, 2016
• 0
• What is mathematics for Franka Brueckler

This is a very difficult question, and there is probably no one answer to which all mathematicians would subscribe. We have collected a number of partial answers. There is great variation in the ambitions of the authors...

• Posted February 1, 2016
• 0
• How many candies do you have?

You can perform this trick with any number of any kind of small items, say candies in a bag. You should have a sufficient supply of them. Besides that, you – the mathemagician – also need two...

• Posted February 1, 2016
• 0
• A Quick Arithmetic Trick

This is a very quick trick for which you need no equipment, and can thus perform it spontaneously. by Franka Miriam Brueckler For the purposes of this short text, by number we mean a positive integer. The...

• Posted February 1, 2016
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• 1089

This is one of the mathemagical classics! The trick itself is a simple example of ‘number magic’, but not only that it can be used to teach some maths in school, the background has even been extended...

• Posted February 1, 2016
• 0
• Magic number 9

Most people remember from school: A number is divisible by 9 if and only if the sum of its digits is divisible by 9. by Franka Miriam Brueckler For example, 256482 is divisible by 9 because 2...

• Posted February 1, 2016
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• A binary trick

A classic among mathematically based mind-reading tricks uses a number of flash cards to help the performer discover the number the spectator is thinking of. by Franka Miriam Brueckler The principle is simple: Any integer can be...

• Posted February 1, 2016
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• 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
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