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Red and black brainteaser Brainteaser

by David, 12 June 2019 | 12 comments

Brain icon

I have four playing cards: two of them are black and two are red. I turn them face down so you can’t see the colours, and shuffle them so you don’t know which is which.

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Pyramid solitaire Game

by David, 16 January 2017 | 0 comments

MAny playing cards arranged in a triangle.

Many people know how to play solitaire or patience, but there are actually lots of different one-player card games. This version of patience has a bit of addition, and also some tricky strategic thinking.

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Trading game Game

by David, 13 July 2016 | 0 comments

Purple counters near a pencil, blue near glasses, green near a book and white near a bell.

Wanna make a fortune? Buy and sell your way to riches in this compelling trading game!

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Card teaser Game

by David, 5 June 2015 | 0 comments

Someone with a black card in their hat, saying 'I don't know'.

Many games are competitive, but in this game you have to cooperate. Try to work out the card on your head, but be careful. If either of you make a mistake, you both lose!

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Shuffle like a pro! Activity

by David, 8 September 2014 | 0 comments

Someone has cupped their left hand around the deck of cards and is shuffling them.

You will need Two decks of cards. Younger mathematicians with small hands might have difficulty with a full sized deck of cards. Using smaller cards might be easier. If you’re still having difficulty, try asking an adult for help with shuffling. Overhand shuffle (for right-handed people) If you are left-handed, click here to see the…

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Double Helix – back to basics Activity

by Mike, 18 May 2013 | 2 comments

Adenine molecule marked with an A.

Two centuries ago, nobody knew much about what made a single fertilised cell grow into a human. Or – for that matter – a dog, a sea urchin, a worm or a whale. The problem was nobody could imagine how a microscopic bag of chemicals could possibly split in half again and again, yet still…

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