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.
In your bank, you have three types of coins. The number of spots shows how much they are worth.
Can you choose coins to exchange with the groups below to make the same total?
Full screen version
Can you find another way to do each one?