There is a common exam question that I have never known the name of, and as such I have never been able to find a resource to practise it in lessons. They are questions like:
The above was taken from question 1 of the June 2013 Edexcel Higher paper. The examiners report for this question stated:
Part (a) of this question was well answered with over two thirds of all candidates being awarded the mark for a correct answer. Part (b) was poorly done even by some of the best candidates. Commonly seen incorrect answers included 17.93. An estimate (300000 ÷ 2) could have helped candidates with this part of the question.
With the above in mind, I created the following resource to be use as starters: