Collecting data

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.
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.
$\nostyle Challenging Data Tasks: The Making of "Where Are You Flying?"$

article
Challenging data tasks: the making of 'Where are you flying?'

How was the data for this problem compiled? A guided tour through the process.
article
The surveyor who came to tea

This article discusses how a survey company carries out its surveys and some of the issues involved.
article
Florence Nightingale - the compassionate mathematician

Florence Nightingale may be well known for her role as a nurse, but she was also an excellent mathematician, collecting and analysing data to help improve hospital conditions.
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?
problem
Compare the squares

Age

7 to 11

Challenge level

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.
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
Birds in the garden

Age

5 to 11

Challenge level

This activity asks you to collect information about the birds you see in the garden. Are there patterns in the data or do the birds seem to visit randomly?