2 out of 3
Which countries have the most naturally athletic populations?
2 out of 3
With access to weather station data, what interesting questions can you investigate?
2 out of 3
How well can you estimate 10 seconds? Investigate with our timing tool.
2 out of 3
Play around with sets of five numbers and see what you can discover about different types of average...
3 out of 3
Start with two numbers and generate a sequence where the next number is the mean of the last two numbers...
1 out of 3
Can you decide whether these short statistical statements are always, sometimes or never true?
1 out of 3
The number in the square is the mean of the four numbers surrounding it. Can you find the missing numbers?
2 out of 3
If you have a large supply of 3kg and 8kg weights, how many of each would you need for the average (mean) of the weights to be 6kg?
2 out of 3
Can you do a little mathematical detective work to figure out which number has been wiped out?
1 out of 3
Andy wants to cycle from Land's End to John o'Groats. Will he be able to eat enough to keep him going?
