Which armies can be arranged in hollow square fighting formations?
Explore the hyperbolic functions sinh and cosh using what you know about the exponential function.
Just because a problem is impossible doesn't mean it's difficult...
Can you minimise the amount of wood needed to build the roof of my garden shed?
Can you deduce the perimeters of the shapes from the information given?
By selecting digits for an addition grid, what targets can you make?
What's special about the area of quadrilaterals drawn in a square?
What are the possible areas of triangles drawn in a square?
Infographics are a powerful way of communicating statistical information. Can you come up with your own?
