Visualising and representing

problem
Favourite

What's It Worth?

Age

11 to 16

Challenge level

There are lots of different methods to find out what the shapes are worth - how many can you find?
problem

What Is the Question?

Age

11 to 16

Challenge level

These pictures and answers leave the viewer with the problem "What is the Question". Can you give the question and how the answer follows?
problem
Favourite

Charlie's Delightful Machine

Age

11 to 16

Challenge level

Here is a machine with four coloured lights. Can you develop a strategy to work out the rules controlling each light?
problem

Charting Success

Age

11 to 16

Challenge level

Can you make sense of the charts and diagrams that are created and used by sports competitors, trainers and statisticians?
problem

Charting More Success

Age

11 to 16

Challenge level

Can you make sense of the charts and diagrams that are created and used by sports competitors, trainers and statisticians?
game
Favourite

Vector Racer

Age

11 to 16

Challenge level

The classic vector racing game.
problem
Favourite

Multiple Surprises

Age

11 to 16

Challenge level

Sequences of multiples keep cropping up...
problem

Who's Who?

Age

11 to 16

Challenge level

Can you solve the clues to find out who's who on the friendship graph?
problem

Spots and Measles

Age

11 to 16

Challenge level

99% of people who have measles have spots. Ben has spots. Do you think he has measles?
game

Sprouts

Age

11 to 16

Challenge level

A game for 2 people. Take turns joining two dots, until your opponent is unable to move.