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puzzle posts

Big square, tiny envelope Activity

by David Shaw, 20 March 2017 | 0 comments

A square poking out from insidea rectangle.

Here’s a quick puzzle for you – this square is too wide for its envelope. Can you find a way to make it fit?

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Solve the L-puzzle Activity

by David Shaw, 31 January 2017 | 0 comments

Here are two tricky puzzles, which look strangely similar. Did we somehow get a puzzle inside your puzzle? You will need Scissors Copy of the printouts, which you can download here (two pages) What to do

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Super strong pencil Activity

by David Shaw, 4 January 2017 | 0 comments

Someone is wrapping a yellow string around a pencil.

In this trick, you’ll wrap a shoelace around a pencil and a strip of cardboard. The string seems to pass straight through both, tearing the cardboard, but leaving the pencil untouched!

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Sharing some cakes Activity

by David Shaw, 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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Sliding block puzzle Activity

by David Shaw, 10 February 2016 | 0 comments

Several drawings of rectangels insode the frame.

Grab some dominos and Blu-tack, then make a puzzling sliding block puzzle!

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Guess Who’s my number? Game

by David Shaw, 28 December 2015 | 0 comments

Someone is flipping down the number 16.

Turn an old copy of Guess Who into a game with a mathematical twist!

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Nine Men’s Morris Game

by David Shaw, 30 October 2015 | 0 comments

Lots of counters on the board. A piece slides from one intersection to an adjacent one.

Learn the ancient (and very fun) game of Nine Men’s Morris.

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T puzzle Activity

by David Shaw, 9 October 2015 | 0 comments

Atriangle, two quadrilaterals and a pentagon.

There’s only four pieces, but this puzzle is Totally Tricky!

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Torus maze Activity

by David Shaw, 12 August 2014 | 0 comments

Someone has drawn a line to a square marked finish.

You’ve seen mazes on paper, you may even have explored big mazes on foot. But this maze has a geometric twist – it’s on the surface of a donut. This is a torus maze!

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Prefix Quiz Quiz

by David Shaw, 29 July 2014 | 0 comments

An octopus showing off its legs.

Many words have secret numbers hidden within! Discover them with this pair of quizzes. You can download a printable PDF quiz here.

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Double helix cover

Double Helix

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