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Maths posts

Discover the maths of gift wrapping! Activity

by David, 12 December 2019 | 0 comments

A present wrapped in green paper

Have you ever got halfway through wrapping a present, and then run out of paper? Follow our foolproof method and discover the maths of gift wrapping!

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Odd dice Brainteaser

by David, 11 December 2019 | 0 comments

Brain icon

Difficulty: Taxing I have a collection of strange dice.

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Afraid of the dark Brainteaser

by David, 27 November 2019 | 0 comments

Brain icon

Difficulty: Tricky Janet is afraid of the dark, especially dark caves and tunnels. Today Janet must catch the train into town. But there’s a problem. As soon as the train leaves the station, it goes into a tunnel.

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Massive multiplication Brainteaser

by David, 13 November 2019 | 0 comments

Brain icon

Difficulty: Fun Sienna’s teacher is writing up a wicked problem on the board. First, the teacher writes all the numbers from 1 to 99. Then they erase 10, 20, and all the other numbers that end in 0. “Listen up!” the teacher announces. “I want you to multiply all the numbers on the board.

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Do you trust your calculator too much? News

by David, 7 November 2019 | 6 comments

Picture of a child working at a desk with pen and paper and laptop.

Imagine you’re at university, doing a maths quiz, with a calculator provided. The problem you’re tasked with reads, “Your grandmother was born in 1942, how old was she in 1994?” You think for a moment and realise it’s a subtraction problem. Into your calculator, you type “1994 – 1942”, and then triumphantly, you record the…

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Power pole problems Brainteaser

by David, 30 October 2019 | 0 comments

Brain icon

Difficulty: Fun Sergio is an electrician repairing a power line. There’s a stretch of eight, evenly spaced power poles he’s working on. The distance from the first to the fourth is 120 metres. What’s the distance from the first to the eighth pole?

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Spin and flip brainteaser Brainteaser

by David, 16 October 2019 | 2 comments

Brain icon

Difficulty: Tricky I’ve got a square piece of paper, with lines for writing on both sides. Right now, the lines are running up and down the page. To get the lines running left and right, I could rotate the page, but that’s too boring. Can I do it by flipping the page instead?   Scroll…

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Perimeter pickle Brainteaser

by David, 2 October 2019 | 0 comments

Brain icon

Difficulty: Tricky Imogen has had enough of her goats getting into her veggie patch. She’s bought wire and poles, but before she starts building, she must work out what shape fence she needs.

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Make a pi necklace Activity

by David, 19 September 2019 | 0 comments

Image of a person wearing a necklace

Written by Gabrielle Tramby and Rachel Fitzgerald In this activity, you’ll turn a number into a necklace.

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BBQ brainteaser Brainteaser

by Jasmine, 18 September 2019 | 2 comments

Brain icon

Written by Kerry Dent Difficulty: Tricky On the expedition’s small BBQ, only two potato cakes will fit at the same time.

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Double helix cover

Double Helix

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