A primary school pupil is collecting 5p coins in a bid to raise as much money as possible for the Royal National Lifeboat Institution (RNLI). Lucy-Ann Robinson, seven, is trying to collect £150 ...

Here is a 1p coin. Two of these coins are worth the same as a 2p coin. Here is a 5p coin. A 5p coin is worth the same as five 1p coins. Two 5p coins are worth the same as a 10p coin. Two 10p coins ...