Add two, one pound coins, to make £7. Add one, 50p, to make £7.50, and another 50p to make £8 altogether. £8 take away £7.75 for the space hopper, leaves you with 25p change again.
How to count up and add the takings from a café by sorting notes and coins into multiples of £1. To make the adding up process easier, the presenter counts coins and notes of different values ...