Six balls are shaken. You win if at least one red ball ends in a corner. What is the probability of winning?
Seven balls are shaken. You win if the two blue balls end up touching. What is the probability of winning?
Discs are flipped in the air. You win if all the faces show the same colour. What is the probability of winning?
A game in which players take it in turns to try to draw quadrilaterals (or triangles) with particular properties. Is it possible to fill the game grid?
Complete the squares - but be warned some are trickier than they look!
Make a chair and table out of interlocking cubes, making sure that the chair fits under the table!
Choose the size of your pegboard and the shapes you can make. Can you work out the strategies needed to block your opponent?
What is the relationship between the angle at the centre and the angles at the circumference, for angles which stand on the same arc? Can you prove it?
