Stage: 2 Challenge Level: 
Seven friends went to a fun fair with lots of scary rides.
They decided to pair up for rides and keep swapping partners until each friend had ridden once with each of the others.
What was the total number of rides taken by them all?
Investigations. Multiplication & division. Factors and multiples. Working systematically. Games. Visualising. Addition & subtraction. Combinations. Interactivities. Practical Activity.
Published November 1999.
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