This is part of our Secondary Curriculum collection of favourite rich tasks arranged by topic.
Find the frequency distribution for ordinary English, and use it to help you crack the code.
Can you guess the colours of the 10 marbles in the bag? Can you develop an effective strategy for reaching 1000 points in the least number of rounds?
This problem offers you two ways to test reactions - use them to investigate your ideas about speeds of reaction.
If you are given the mean, median and mode of five positive whole numbers, can you find the numbers?
Invent a scoring system for a 'guess the weight' competition.
Can you deduce which Olympic athletics events are represented by the graphs?
Can you find sets of numbers which satisfy each of our mean, median, mode and range conditions?
Anna, Ben and Charlie have been estimating 30 seconds. Who is the best?
Which countries have the most naturally athletic populations?
With access to weather station data, what interesting questions can you investigate?
How well can you estimate 10 seconds? Investigate with our timing tool.
Play around with sets of five numbers and see what you can discover about different types of average...
Start with two numbers and generate a sequence where the next number is the mean of the last two numbers...
Can you decide whether these short statistical statements are always, sometimes or never true?
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?
Can you do a little mathematical detective work to figure out which number has been wiped out?
Can you make sense of information about trees in order to maximise the profits of a forestry company?
You may also be interested in this collection of activities from the STEM Learning website, that complement the NRICH activities above.
