Explore the strange geometrical properties of the Koch Snowflake.
Can you use the clues to complete these 5 by 5 Mathematical Sudokus?
Can you use the clues to complete these 4 by 4 Mathematical Sudokus?
Can you work out where these 5 riders came in a not-quite-so-famous bike race?
Is it possible to find the angles in this rather special isosceles triangle?
Read this article to find out more about the inspiration for NRICH's game, Phiddlywinks.
Can you match each graph to one of the statements?
Can you work out how to make each side of this balance equally balanced? You can put more than one weight on a hook.
Which two items of fruit could Kate and Sam choose? Can you order the prices from lowest to highest?
