### 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.

# Find the Difference

##### Stage: 1 Challenge Level:

Place the numbers $1$ to $6$ in the circles so that each number is the difference between the two numbers just below it.

Example:   $5 - 2 = 3$

You could try it in this interactivity.
Full screen version
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When you have tried this and got more than one answer you could try other things like having $4$ rows of discs and use the number $1$ to $10$