Why was the silver threepence so unpopular? What is so special about the shape of the 50p? Size, shape and weight are three significant elements of coin design, and it is very important to get them right so that coins are easy for people to use. ?In this lesson pupils investigate mathematics through coins. The resource includes instructions on how to draw an equilateral curve heptagon (the shape of the 20p and 50p coins).
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