Getting Started, Getting Stuck
Getting started, getting stuck
We have selected problems in this feature that we hope everyone can make a start on. However, as you get drawn into the problems there are some challenging extension questions too, so that everyone can experience getting stuck (and hopefully getting unstuck too!).
The last day for submitting solutions is Monday 9 December.
Discs are flipped in the air. You win if all the faces show the same colour. What is the probability of winning?
Are these games fair? How can you tell?
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?
Which armies can be arranged in hollow square fighting formations?
Can you find out what is special about the dimensions of rectangles you can make with squares, sticks and units?