Calculate Change From One Pound

In this activity, we will work out how much change needs to be given when we pay for something with a £1 coin.

£1 = 100p

Example

How much change is given from £1 when I pay for something costing 75p

Answer

The number sentence for working this out is £1 - 75p = ? as we have a pound and we take away 75 from this pound. 

Remember that £1 is 100p, so we can do a subtraction calculation: 100 - 75

The best way to work this out is to find the difference, so instead of taking it away, we count up from 75p to 100 (£1)

Shopkeepers count on from 75p as in the diagram.

That makes 25p change, so the answer that we write is:

25p

There is often more than one way of working out a problem in maths, so choose the way that works best for you!

Are you happy with that?