Given a regular pentagon, can you find the distance between two non-adjacent vertices?
The famous film star Birkhoff Maclane wants to reach her refreshing drink. Should she run around the pool or swim across?
Explore some of the different types of network, and prove a result about network trees.
Join the midpoints of a quadrilateral to get a new quadrilateral. What is special about it?
Can you prove these triangle theorems both ways?
Can you rearrange the cards to make a series of correct mathematical statements?
These proofs are wrong. Can you see why?
There is nothing half so much worth doing as simply messing about in boats...
Can you draw a sketch of how Frosty's volume changes as his height decreases?
Which of the statements is true?
Which of the statements must be true?
Can you work out where these 5 riders came in a not-quite-so-famous bike race?