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mathematical sciences posts

The triple bounce Brainteaser

by David, 1 May 2019 | 4 comments

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I’m thinking of a two digit number. If you add the digits together and then multiply by three, you get the number back again! What number am I thinking of?

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The big triangle brainteaser Brainteaser

by David, 17 April 2019 | 4 comments

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At Three Peaks School, they’re planning to build a gigantic triangle. The sides have just arrived, on the back of some truly ridiculous trucks, and with police escort.

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Blue eyed cows brainteaser Brainteaser

by David, 3 April 2019 | 1 comments

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Imagine a place called Occhiblu station, where they’re trying to breed cows with blue eyes. They have 100 cows on the station, and some of them have one blue eye. Of the rest of the cows, half have two blue eyes.

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Checking the clock brainteaser Brainteaser

by David, 20 March 2019 | 6 comments

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Terry is inspecting a huge clock. It’s 2:12 and they just finished examining the big hand.

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Queen’s Guard Game

by David, 7 March 2019 | 1 comments

Hexagonal board game with chess pieces on it.

Here’s a simple game that can be very tricky to play well. Give it a go, then find out why it’s such a challenge.

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Mathematical pizza party Brainteaser

by David, 6 March 2019 | 0 comments

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Four mathematicians – Annie, Beth, Carol and Donna – have a fun tradition. Every Friday, they order a pizza. But before they can eat, they must each solve a puzzle.

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No zeros Brainteaser

by David, 20 February 2019 | 2 comments

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Which two whole numbers – without any zeros – multiply together to make 1 000 000?

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Curious times Brainteaser

by David, 7 February 2019 | 7 comments

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Maryam had been practising the times tables really hard, so she was on the alert for interesting patterns. On her dad’s birthday she noticed something special. “You’re four times older than me, Dad,” she exclaimed.

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Successive sequence Brainteaser

by David, 23 January 2019 | 0 comments

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What’s the next letter in this sequence? F, S, T, F, F, S, S, E …

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Counting threes Brainteaser

by David, 9 January 2019 | 0 comments

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Tilly started writing down numbers as she counted them out, “1, 2, 3, 4 …” She was interrupted when she was writing down the 33rd 3. What number was she in the middle of writing?

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