Find the median, mean and range of the Smile test scores:
19%
10%
2%
72%
84%
63%
7%
86%
85%
57%
Without a calculator
[Drag the faces into order to help find the median.]
Topics: Starter  Averages  Data Handling  Statistics
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Teacher, do your students have
access to computers? 

Here a concise URL for a version of this page without the comments.
Here is the URL which will take them to a self marking quiz about averages.
And here is a strategy game based on calculating the mean, median and range of three numbers.