An activity based on the game 'Pelmanism'. Set your own level of challenge and beat your own previous best score.
The number 2.525252525252.... can be written as a fraction. What is
the sum of the denominator and numerator?
Take turns to place a decimal number on the spiral. Can you get three consecutive numbers?
This problem is taken from the UKMT Mathematical Challenges.View the archive of all weekly problems grouped by curriculum topic