This challenge combines addition, multiplication, perseverance and even proof.

Can you find the values at the vertices when you know the values on the edges of these multiplication arithmagons?

Can you figure out how sequences of beach huts are generated?

Play around with sets of five numbers and see what you can discover about different types of average...

Can you do a little mathematical detective work to figure out which number has been wiped out?

Can you find sets of numbers which satisfy each of our mean, median, mode and range conditions?

Which armies can be arranged in hollow square fighting formations?

What is special about the difference between squares of numbers adjacent to multiples of three?

Can you minimise the amount of wood needed to build the roof of my garden shed?

What happens when you add a three digit number to its reverse?