An activity based on the game 'Pelmanism'. Set your own level of challenge and beat your own previous best score.
Weekly Problem 49 - 2007
What is the mean of 1.2 recurring and 2.1 recurring?
Take turns to place a decimal number on the spiral. Can you get three consecutive numbers?
The number looks very similar when you multiply it by $100$.
A little subtraction goes a long way!