Visualising and representing

Design an arrangement of display boards in the school hall which fits the requirements of different people.

Here's a neat trick you can do with an 11 by 11 square...

Weekly Problem 34 - 2015
Four tiles are given. For which of them can three be placed together to form an equilateral triangle?

Weekly Problem 37 - 2014
Which of the five diagrams below could be drawn without taking the pen off the page and without drawing along a line already drawn?

When Jim rolled some dice, the scores had the same product and sum. How many dice did Jim roll?

The base of a pyramid has n edges. What is the difference between the number of edges the pyramid has and the number of faces the pyramid has?

Imagine reflecting the letter P in all three sides of a triangle in turn. What is the final result?

Weekly Problem 52 - 2014
Four arcs are drawn in a circle to create a shaded area. What fraction of the area of the circle is shaded?

Cheryl finds a bag of coins. Can you work out how many more 5p coins than 2p coins are in the bag?