### 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 $35$?