This is part of our Secondary Curriculum collection of favourite rich tasks arranged by topic.
Scroll down to see the complete collection, or explore our subcollections on Perimeter and Area in two dimensions, and Surface Area and Volume in three dimensions.
problem
Favourite
Olympic triathlon
Age
14 to 16
Challenge level
Is it the fastest swimmer, the fastest runner or the fastest cyclist who wins the Olympic Triathlon?
problem
Favourite
Picturing the world
Age
14 to 16
Challenge level
How can we make sense of national and global statistics involving very large numbers?
problem
Favourite
Perception versus reality
Age
14 to 18
Challenge level
Infographics are a powerful way of communicating statistical information. Can you come up with your own?
problem
Favourite
Box plot match
Age
14 to 16
Challenge level
Match the cumulative frequency curves with their corresponding box plots.
problem
Favourite
For richer for poorer
Age
14 to 16
Challenge level
Charlie has moved between countries and the average income of both has increased. How can this be so?
problem
Favourite
Which list is which?
Age
14 to 16
Challenge level
Six samples were taken from two distributions but they got muddled up. Can you work out which list is which?
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You may also be interested in this collection of activities from the STEM Learning website, that complement the NRICH activities above.