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.
The last day for submitting solutions is Monday 9 December.
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problem
Flippin' discs
Discs are flipped in the air. You win if all the faces show the same colour. What is the probability of winning?
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problem
Cosy corner
Six balls are shaken. You win if at least one red ball ends in a corner. What is the probability of winning?
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problem
Two's company
Seven balls are shaken. You win if the two blue balls end up touching. What is the probability of winning?
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problem
Factorising with multilink
Can you find out what is special about the dimensions of rectangles you can make with squares, sticks and units?
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