2 out of 3
What's special about the area of quadrilaterals drawn in a square?
2 out of 3
Can you minimise the amount of wood needed to build the roof of my garden shed?
2 out of 3
Just because a problem is impossible doesn't mean it's difficult...
2 out of 3
Where should you start, if you want to finish back where you started?
2 out of 3
Play around with the Fibonacci sequence and discover some surprising results!
2 out of 3
The farmers want to redraw their field boundary but keep the area the same. Can you advise them?
2 out of 3
Imagine we have four bags containing numbers from a sequence. What numbers can we make now?
3 out of 3
Imagine you have an unlimited number of four types of triangle. How many different tetrahedra can you make?
3 out of 3
Can you find a cuboid that has a surface area of exactly 100 square units. Is there more than one? Can you find them all?
3 out of 3
Use a single sheet of A4 paper and make a cylinder having the greatest possible volume. The cylinder must be closed off by a circle at each end.
