Invent scenarios which would give rise to these probability density functions.
The computer has made a rectangle and will tell you the number of spots it uses in total. Can you find out where the rectangle is?
Alison, Bernard and Charlie have been exploring sequences of odd and even numbers, which raise some intriguing questions...
In this investigation we are going to count the number of 1s, 2s, 3s etc in numbers. Can you predict what will happen?
You have a set of the digits from 0 to 9. Can you arrange these in the five boxes to make two-digit numbers as close to the targets as possible?
