Whispers game: fractions

A resource in our Whispers game series, finding fractions of amounts and going back to the original number.

This is a group task about mathematical communication and attention to detail. Students play in groups of 4 and the idea is to end up with the same number that you started with, or be able to work out what mathematical or communication error was made along the way.

Sample:

Student A: Here is your number: 150

                 One tenth of the starting number is ....

Student B: The starting number must have been .....