Collecting data

problem
Three ball line up

Age

5 to 7

Challenge level

Use the interactivity to help get a feel for this problem and to find out all the possible ways the balls could land.
problem
Two and one

Age

5 to 7

Challenge level

Terry and Ali are playing a game with three balls. Is it fair that Terry wins when the middle ball is red?
problem
Inspector Morse

Age

11 to 14

Challenge level

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?
article
Enriching data handling

This article for teachers looks at some suggestions taken from the NRICH website that offer a broad view of data and ask some more probing questions about it.
article
What does it say to you?

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