Geography skills workout
Get one method right. Then try it on new data.
Start with averages, move on to spread, then compare a change. Each page has a worked example and fresh practice questions.

Mean, median and range →
Which number best describes your fieldwork results?
Interquartile range →
How spread out is the middle half of your data?
Percentage change →
How big is a change compared with where it started?
Take it to the river
Calculate river discharge · Read a hydrograph
For the classroom
Put the data on a graph
Practise question focus, explanations and evidence with a short original activity.