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Pocket Money Problem
This idea was sent in by Sash Hamidi.


Do you get pocket money? Would you like to have some, or maybe more? Try this proposition on the person who gives you your pocket money:

I am really not asking for a lot. I'll only want 1 pence a week to start with, but then my pocket money will need to be doubled every week!

TASKS: Answer these questions:

  1. Did they accept this proposition at first?
  2. On the back of this sheet, show how much money you would get in week 2, then week 3 and so on - create a table to show your results.
  3. In which week did you need to start to use a calculator?
  4. If week 1 was the first week of 1999 (starting saturday 2nd january), by when would you earn: a) £100 b) £500 c) £1000
  5. If it carried on throughout your life, would you ever earn £1,000,000? At what age?
  6. When would your parent/ guardian say "S T O P !"?

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