Think of a number with two digits. For example, 43. Follow the Magic Gopher's instructions and he will amaze you by telling you what number you chose.

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Discussion

Did he get your number right? How does he do it?!

Comments

Crouton's picture
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Crouton 20 December, 2015 - 14:59

Look, if you take a number N=10xa+b, where b is between 0 and 9 and a between 1 and 9. Ok?
So, you have (10a+b) - (a+b)=9a, right ? After that, look at the multiples of 9, they have all the same sign. When you have your result (ex: 12>1+2=3>12-3=9), which is a multiple of 9. The squirrel must just say these sign and he's right ! Understood, now ?

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58 users have voted.
Crouton's picture
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Crouton 20 December, 2015 - 14:26

Woof4, look, if you take N=10a+b, where b is between 0 and 9, and a between 1and 9, you have :
(10a+b) - (a+b) = 9a. Ok? So, the result can only be a multiple of 9 : 9,18, 27, 36, 45, 54, 63, 72, 81, 90. After that, look at the signs in the table. You can notice that all the multiplies of 9 have the same sign. The squirrel has just to show this sign and he's right. You see, it's no magic, but mathematics.

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38 users have voted.
kaboooom's picture
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kaboooom 16 June, 2016 - 08:39

He's not a squirrel, he's a raccon!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

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35 users have voted.
Haider7427's picture
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Haider7427 3 February, 2016 - 21:12

It can see you in the camera and hear you if you move out of the way it gets it wrong I tried that and he got it wrong

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25 users have voted.
Jonathan - Coordinator's picture
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Jonathan - Coor... 4 February, 2016 - 03:58

Hi Haider7427. Let me reassure you that our games 100% do not use the camera or microphone. If we ever add a game that does, the game will say so clearly. Thanks for your comment :)
Jonathan (LearnEnglish Teens Team)

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25 users have voted.
Ani4ka5aseva's picture
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Ani4ka5aseva 24 October, 2015 - 13:17

Oh, it is simple algebra: always the symbol from the card is following that numbers: 9, 18, 27, 36, 45, 54, 63, 72, 81... But this squirrel is clever, realy! :)

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21 users have voted.
Tina - Coordinator's picture
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Tina - Coordinator 23 September, 2015 - 19:20

Hi hannaramm57,
 Thanks for letting us know. Is it loading for you now ? I've just tested it and it's working fine for me.  Are you using Chrome, Internet Explorer, Safari or another browser? Perhaps you could try using a different browser and see it that works. 
Let us know how you get on ...
Best wishes Tina (LearnEnglish Teen Team)

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16 users have voted.
Tina - Coordinator's picture
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Tina - Coordinator 4 November, 2015 - 17:08

Hi Sarahappy,
I'm sorry it's not working for you ... I've just tried it again and it's working fine for me. Take a look at my comment above which will give you some ideas to try out. I hope you manage to get it working.
Best wishes, Tina (LearnEnglish Teen Team)

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19 users have voted.

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