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?
Start with four numbers at the corners of a square and put the total of two corners in the middle of that side. Keep going... Can you estimate what the size of the last four numbers will be?
Find a great variety of ways of asking questions which make 8.
I can see 28 'arms' on the beach.
How many children could there be?
How many starfish could there be?