What colour are in a Smartie Box?

First make some estimations: How many would be too low? How many would be too high? What is your estimation?{...}

Introduce partner game “Can you Match Me?”   One partner holds up a number of fingers (e.g. 3). The other{...}

Launch: Two hoops- which group is bigger How did you work it out. Now place groups of two hoops around{...}