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Funny money brainteaser Brainteaser

by David, 16 June 2021 | 0 comments

Brain icon

Difficulty: Tricky Clare and Jeremy just finished a job overseas, on Dough Island. They received the following as payment, in the island’s currency: A $3 coin A $4 coin A $6 note An $8 note and A $9 note. Clare and Jeremy want to share the money so they both get the same number of…

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Sharing some cakes Activity

by David, 15 December 2016 | 1 comments

three cakes, ready for sharing

Picture this: you’ve just bought a nice little cake, just for you. Then your friends show up, wanting a piece. Lucky for you, mathematicians have developed some pretty cool ways of sharing.

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Measuring fairness News

by David, 2 December 2015 | 0 comments

Two kids, one with a big slice of cake and one with a smaller slice.

Imagine this game: you and a stranger are sitting in front of a machine. The machine has two piles of lollies. There’s one pile for you and one for your partner. You have two handles. Pull the green handle and you both get lollies. Pull the red one and no one gets anything.

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