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If you wanted to find out what type of pets children in school have, you would need to carry out a survey.

# Handling Data (Year 4)

KS2 Maths involves learning about data handling. In Years Three and Four, you'll discover how to collect and record information using tallies or surveys. After that, you'll explore presenting and understanding data through various graphs, charts, and diagrams.

Collecting data and putting it into diagrams, graphs, tables, and charts helps us organise and make sense of what we've gathered. This is called interpreting data. It's essential to know which data goes into specific diagrams or charts to ensure others can understand your discoveries. For example, a survey about vehicles might use a pictogram with cars and lorries, while one about favourite colours might use a colourful pie chart.

Can you learn how to collect, record, and understand data? Test your skills with this quiz designed for 7-9 year olds!

1.
What is a tally?
Something we watch movies on
The most popular data
A count of the data using a single line for each unit counted
The least popular data
Small lines are used in the tally. Every fifth line crosses the other four for easy counting in 5s
2.
On a bar chart showing people's favourite colours, what does the lowest bar represent?
The most popular choice
The least popular choice
The average choice
The next to the least popular choice
The highest bar represents the most popular choice
3.
If you wanted to find out what type of pets children in school have, what do you need to carry out?
A dog show
A survey
A competition
A party
In a survey people are asked questions, such as "Do you have any pets?" or "What kind of pet do you have?"
4.
What is the name of the diagram that uses circles to sort data into groups?
Venn diagram
Bar chart
Pictogram
Carroll diagram
A Carroll diagram is similar to the Venn diagram but uses a grid rather than circles
5.
In a frequency chart of favourite colours, the results were Blue 23, Red 62, Yellow 54 and Green 39. Which is the most popular colour?
Blue
Red
Yellow
Green
Red was most popular. Yellow was second, green third and blue came fourth
6.
What is the name of the table where data is recorded so that it can be counted?
Dinner table
Frequency table
Pasting table
Bar table
Frequency tables help us to keep a record of how many times a piece of data is recorded - for example, how many people in the class have a pet dog
7.
In which type of chart would you find a horizontal axis and a vertical axis?
Bar chart
Weather chart
Rod chart
Pie chart
The vertical axis tells you the frequency or number whilst the horizontal axis tells you the things you are recording such as types of pet or favourite colour
8.
What is the name of the diagram that uses pictures or symbols to represent data?
Pictogram
Venn diagram
Bar chart
Carroll diagram
If you were recording what pets people have you might make a pictogram which uses pictures of animals
9.
On a bar chart of most popular drink, the results were tea 45, coffee 21, milk 14 and fruit juice 46. How many more people prefer tea to coffee?
1
7
24
45
45 - 21 = 24
10.
What do people complete during a survey to answer the questions?
A quiz
An exam
A job
A questionnaire
Questionnaires are forms with lots of questions on them