You may also like

problem icon

Geoboards

This practical challenge invites you to investigate the different squares you can make on a square geoboard or pegboard.

problem icon

Polydron

This activity investigates how you might make squares and pentominoes from Polydron.

problem icon

Multilink Cubes

If you had 36 cubes, what different cuboids could you make?

Counters

Stage: 2 Challenge Level: Challenge Level:3 Challenge Level:3 Challenge Level:3

Play the game below a few times with a friend.

Now begin to think about your strategy, in other words, how you can make sure you win.
If the first player takes the middle counter from the first column on the left, how could the second player make sure he or she wins?
If the first player removes the middle counter in the second column to start with, what should the second player do to win the game?

Do you think it is better to be the first player or the second player? Why? Try to explain your reasoning by giving some examples.


This text is usually replaced by the Flash movie.