Homes

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?

Number Squares

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?

I'm Eight

Find a great variety of ways of asking questions which make 8.

Secret Number

Stage: 1 Challenge Level:

Annie added $4$ to her number and it made $10$. What number added to $4$ makes $10$?
When Charlie "timesed" his number by $5$, it came to $35$. What number multiplied by $5$ makes $35$?