Take turns to place a decimal number on the spiral. Can you get three consecutive numbers?
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?
Use the numbers and symbols to make this number sentence correct. How many different ways can you find?
What happens when you round these numbers to the nearest whole number?