
Shopping basket
The items in the shopping basket add and multiply to give the same amount. What could their prices be?

Parabolic patterns
The illustration shows the graphs of fifteen functions. Two of them have equations $y=x^2$ and $y=-(x-4)^2$. Find the equations of all the other graphs.

Vector walk
Starting with two basic vector steps, which destinations can you reach on a vector walk?

Expenses
What is the largest number which, when divided into these five numbers in turn, leaves the same remainder each time?

Mathsland national lottery
Can you work out the probability of winning the Mathsland National Lottery?

Bendy quad
Four rods are hinged at their ends to form a convex quadrilateral. Investigate the different shapes that the quadrilateral can take. Be patient this problem may be slow to load.

Squirty
Using a ruler, pencil and compasses only, it is possible to construct a square inside any triangle so that all four vertices touch the sides of the triangle.


Funnel
A plastic funnel is used to pour liquids through narrow apertures. What shape funnel would use the least amount of plastic to manufacture for any specific volume ?