How about magic squares?
Not quite the same number etc every time, but every column and diagonal adding up to the same number?
http://www.senteacher.org/Worksheet/30/Magic.xhtml
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Reply to: Maths Puzzles please
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Previously on "Maths Puzzles please"
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Originally posted by Board Game Geek View PostDoes a black paddle count ?
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red spade too, o dear, i have something in common with 'the scary one' aka Mr Marrillion Fan
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Originally posted by MarillionFan View PostI've been digging my own grave for weeks! Boom boom!
Never mind.
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Originally posted by Advocate View PostI've seen this before so I actually think "oh this is the one where I'm supposed to think of a red hamm...ah bugger"
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I've seen this before so I actually think "oh this is the one where I'm supposed to think of a red hamm...ah bugger"
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Red Drill.
I don't think this method works with Contractors - we're all too brainy and individualistic to fit a common mental mould.
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Originally posted by NotAllThere View PostThat's three of us then...
Never mind.
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Originally posted by MarillionFan View PostMmm. I thought of a red spade. So half there.
Oh dear. Chef and I think the same. Unlucky!:
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Mmm. I thought of a red spade. So half there.
Originally posted by chef View Postred spade:
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My young daughter loves to get people to do this one
Think of a number
Double it
Add X (where X is even and magnitude can depend on person doing it)
Half it
Take away number you first thought of
answer is X/2
You can even show a slightly older child the algebra to explain it and because they are interested they usually understand it
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