THE NUMBERS GAME
Now! Do I know your telephone number?
Now! Do I know your house number?
Write down your phone number - not the area code
Total all the digits until there is only one digit
i.e. 774289 = 37 = 10 = 1
Multiply by 3
Multiply by 3 again
Total all the digits until there is only one digit
Add your house number
Subtract 9
You now have your house number left!