Do you remember the difference between mean, median and mode? Check your knowledge by having a go at this jigsaw.

Here is a crossword to help you with some of the important vocabulary you need for statistics at GCSE level. You can do the interactive version or print off a paper copy and check you answers later on the interactive version. There are a few non-mathematical clues!

In May 2013 global levels of carbon dioxide in the atmosphere passed the milestone of 400 parts per million. This exercise will challenge your maths and help you understand why this is so important.

To play this 2 player game from Transum you need to be able to calculate mean, median and range.

To do this quiz you need to understand the mean, mode, median and range.

Download, print and cut out the triangles. Work with a friend to try and match all the questions with the correct answer.

Finding Averages and Range

Remember the range is the difference between the biggest and smallest number.
The mean is the sum of all the data divided by the number of data items.
The median is the middle number when the data is arranged in order.
The mode is the most frequent number.

Many thanks to Mr Barton for the original jigsaw.

If you must cheat here is the solution.