Mr Sykes wants to buy a calculator for every student in year 11. There are 104 students in year 11. Each calculator costs £kkk
Work out an estimate for the amount of money Mr Sykes will spend on calculators, in terms of kkk.
Is your answer to part (a) an underestimate or an overestimate? Give a reason for your answer.
247 exam-style questions on AQA GCSE Maths Estimating. Each one has a worked solution and a mark scheme showing where the marks go.