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

There are 7 results

Broad Topics > Handling, Processing and Representing Data > Frequency tables and diagrams

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Class 5's Names

Stage: 2 Challenge Level: Challenge Level:1

Class 5 were looking at the first letter of each of their names. They created different charts to show this information. Can you work out which member of the class was away on that day?

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Substitution Cipher

Stage: 3 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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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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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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What Does it Say to You?

Stage: 1 and 2

Written for teachers, this article discusses mathematical representations and takes, in the second part of the article, examples of reception children's own representations.