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Challenge level: Challenge Level:1 Challenge Level:2 Challenge Level:3

There are 19 results

Broad Topics > Handling, Processing and Representing Data > Comparing data

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Reaction Timer

Stage: 3 Challenge Level: Challenge Level:1

This problem offers you two ways to test reactions - use them to investigate your ideas about speeds of reaction.

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Substitution Cipher

Stage: 3 and 4 Challenge Level: Challenge Level:1

Find the frequency distribution for ordinary English, and use it to help you crack the code.

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Real Statistics

Stage: 2 Challenge Level: Challenge Level:3 Challenge Level:3 Challenge Level:3

Have a look at this table of how children travel to school. How does it compare with children in your class?

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Warmsnug Double Glazing

Stage: 3 Challenge Level: Challenge Level:1

How have "Warmsnug" arrived at the prices shown on their windows? Which window has been given an incorrect price?

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Inspector Morse

Stage: 3 Challenge Level: Challenge Level:1

You may like to read the article on Morse code before attempting this question. Morse's letter analysis was done over 150 years ago, so might there be a better allocation of symbols today?

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Terrariums

Stage: 3 Challenge Level: Challenge Level:1

Build a mini eco-system, and collect and interpret data on how well the plants grow under different conditions.

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Decathlon: the Art of Scoring Points

Stage: 3, 4 and 5

How do decisions about scoring affect who wins a combined event such as the decathlon?

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Olympic Triathlon

Stage: 4 Challenge Level: Challenge Level:1

Is it the fastest swimmer, the fastest runner or the fastest cyclist who wins the Olympic Triathlon?

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It's a Scrabble

Stage: 2 Challenge Level: Challenge Level:1

Letters have different values in Scrabble - how are they decided upon? And would the values be the same for other languages?

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Substitution Transposed

Stage: 3 and 4 Challenge Level: Challenge Level:3 Challenge Level:3 Challenge Level:3

Substitution and Transposition all in one! How fiendish can these codes get?

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Secondary Cipher Challenge Part 1

Stage: 3 and 4 Challenge Level: Challenge Level:2 Challenge Level:2

Here is the start of a six-part challenge. Can you get to the end and crack the final message?

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Our Sports

Stage: 2 Challenge Level: Challenge Level:1

This problem explores the range of events in a sports day and which ones are the most popular and attract the most entries.

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Which List Is Which?

Stage: 3 and 4 Challenge Level: Challenge Level:1

Six samples were taken from two distributions but they got muddled up. Can you work out which list is which?

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Retiring to Paradise

Stage: 3 Challenge Level: Challenge Level:1

When Charlie retires, he's looking forward to the quiet life, whereas Alison wants a busy and exciting retirement. Can you advise them on where they should go?

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Olympic Records

Stage: 3 Challenge Level: Challenge Level:1

Can you deduce which Olympic athletics events are represented by the graphs?

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The Time Is ...

Stage: 2 Challenge Level: Challenge Level:2 Challenge Level:2

Can you put these mixed-up times in order? You could arrange them in a circle.

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Coin Toss Checker

Stage: 5 Challenge Level: Challenge Level:1

Can you make a set of random data which will fool the computer?

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Compare the Squares

Stage: 2 Challenge Level: Challenge Level:1

In this problem you will do your own poll to find out whether your friends think two squares on a board are the same colour or not.

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Cricket Ratings

Stage: 4

Like all sports rankings, the cricket ratings involve some maths. In this case, they use a mathematical technique known as exponential weighting. For those who want to know more, read on.