Is there a best way to stack cans? What do different supermarkets do? How high can you safely stack the cans?
There are to be 6 homes built on a new development site. They could be semi-detached, detached or terraced houses. How many different combinations of these can you find?
Investigate the number of faces you can see when you arrange three cubes in different ways.
Explore the triangles that can be made with seven sticks of the same length.