Mathematics

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1. 2 marks · foundation tier

   A ferry travels 450 km in 5 hours. Work out the average speed in km/h.

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   90

   Speed = distance ÷ time = 450 ÷ 5 = 90 km/h.

2. 2 marks · foundation tier

   Dev buys 5 notebooks at £1.55 each and pays with a £10 note. How much change should Dev get? Give your answer in pounds (£).

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   £2.25

   5 × £1.55 = £7.75. Change: £10 − £7.75 = £2.25.