Statistics, are all the rage at the moment. Have you seen them on the daily briefings to represent data? They have many different types of graphs, here is one example:
Today we are going to revisit Line graphs and how to interpret them. First you need to look at graphs and read the data and the questions, on the Powerpoint.
Below the Powerpoint each slide is available to print. Don't forget a ruler is important and you can make jottings/annotate each graph. The graphs get more challenging as you scroll down the page.