Math Magic

by Leonard
(Philippines, Quezon City)


THE EFFECT: You ask your spectator to think of a number they can easily multiply with. You make the spectator do some mathematical equations, then you're able to tell them their final number by reading their mind!


THE SECRET: After your spectator thinks of a number, tell him to multiply it by nine. After that tell him to add the digits of his answer together and that will be his final number.


For an example tell them that if their number is twenty one. Two plus one equals three. Three would be their answer.


Ask how many digits is in their answer. If it is more than one tell them to add the digits of their answer until the answer has only one digit left.


The spectators last answer will always be NINE!

COMMENTS FOR Math Magic

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Feb 19, 2012
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Nice
by: Syed Asad

Nice,i will do this on my friends

Oct 26, 2010
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yay
by: Anonymous

that is soooo cool not just the trick but this is my trick and he used it questions? email me at collin.morrison98@yahoo.com

Nov 24, 2009
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Nice!
by: Anonymous

Very good trick. My friends did this to me at school, and now I know how! Very good trick!!

Apr 18, 2009
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math magic
by: Anonymous

IT IS AWESOME , I TOTALLY STUMPED MY SISTER

Feb 12, 2009
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000
by: Anonymous

OH

Nov 26, 2008
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a little confused
by: Anonymous

didn't really make sense with me when i tried a number that was more than one digit long like 29. 2+9=11. 1+1 doesn't equal 9. but I did get it when you multiply by 9 and you add the numbers together to get 9.

Nov 12, 2008
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very cool
by: Anonymous

wow so cool

Oct 10, 2008
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Very good
by: Anonymous

Very clever, using a nines theory. Very good!

May 15, 2008
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good
by: cerlyn

nice

May 14, 2008
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I like it...
by: Simon

Cool little math trick, thanks!

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