Can you find sets of numbers which satisfy each of our mean, median, mode and range conditions?
Play around with sets of five numbers and see what you can discover about different types of average...
Can you do a little mathematical detective work to figure out which number has been wiped out?
Do Presidents of the USA live longer now than in the past?
Take a look at the video showing squares drawn on dotty grids...
Can you describe the route followed by the arrows?
These Stage 3 and 4 problems have not yet been solved. Can you be the first?