A popular tourist attraction opened in 2012. This bar chart shows the revenue (income) for the first 5 years that it was open.
- Calculate the sum of the revenues for the first 5 years.
- If the increase in revenue between 2015 and 2016 continues year on year after 2016, give an estimate for the revenue this year.
- 2012’s revenue figure is not accurate as the attraction was only open for 9 months of the year. Give an estimate for the 2012 revenue if it had been open for the full year.
This question works well as a starter for high ability classes, particularly if you ask them to answer without using a calculator. The first two questions also practice GCSE language (sum, increase) and are accessible to students of all abilities. Students take 4-5 minutes to answer this question in full, and the extension question works well to stretch students who finish early.
Teachers could extend the learning by considering:
- Greg says that the increase in revenue year on year is only due to ticket prices increasing. What other reason could there be for this steady increase?