What are the possible areas of triangles drawn in a square?
What's special about the area of quadrilaterals drawn in a square?
Can you deduce the perimeters of the shapes from the information given?
Can you minimise the amount of wood needed to build the roof of my garden shed?
Investigate different ways of making £5 at Charlie's bank.
Take a look at the video showing rhombuses and their diagonals...
In a city with a grid system of roads, how do you get from A to B?
Can you crack these cryptarithms?
Just because a problem is impossible doesn't mean it's difficult...
By selecting digits for an addition grid, what targets can you make?
What happens when you add a three digit number to its reverse?
Can you find ways to put numbers in the overlaps so the rings have equal totals?