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Stadium Sightline
problem

Stadium Sightline

14 to 18
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How would you design the tiering of seats in a stadium so that all spectators have a good view?

Open Squares
problem

Open Squares

7 to 11
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This task, written for the National Young Mathematicians' Award 2016, focuses on 'open squares'. What would the next five open squares look like?

Sea Level
problem
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Sea Level

7 to 11
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What numbers would you put on this number line as it goes under the sea level?

A New Challenge
article

A New Challenge

5 to 11
In this article for teachers, Bernard gives some background about the theme for November 2011's primary activities, which focus on analysing different approaches.
Star Sum
problem

Star Sum

11 to 14
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You may have seen magic squares before, but can you work out the missing numbers on this magic star?

Marathon Mission
problem

Marathon Mission

14 to 16
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Minnie trained more for the London Marathon this year, so her speed increased. By what percentage did her time decrease?
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