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Year 2 Data Handling - Interpreting Data
Data Handling is all about using data and results.

Year 2 Data Handling - Interpreting Data

Learn to read charts and pictograms. Estimate first, then count carefully to check. Spot totals, the biggest group, and the difference between categories.

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(quiz starts below)

Fascinating Fact:

Estimate, then check. “Looks about 8.” Now count properly. If it is 7, say 7 with confidence.

In KS1 Maths, pupils interpret data in tallies, pictograms, tables, and simple bar charts. They estimate, count accurately, compare categories, and explain answers using words like total, most, and fewer.

  • Estimate: A sensible guess before you measure or count exactly.
  • Pictogram: A chart that uses pictures or symbols to show how many.
  • Scale: The numbers that label a chart and tell what each mark stands for.

Warm up with a quick activity: try the Numeracy Game before you start the quiz.

How do I estimate from a bar chart or pictogram?

Look at the height or number of symbols and make a sensible guess. Then use the scale to count carefully and check your estimate.

What does each picture mean in a pictogram?

The key tells you. One picture might equal 2 or 5. Use the key to convert pictures into numbers before comparing or adding.

How can I find the total or difference?

Add the numbers for a total. For the difference, subtract one category from the other to see how many more or fewer.

To see a larger image, click on the picture.
Question 1
What kind of chart might you use to show the different eye colours in the class?
A pictogram - one pair of eyes for each child
A line graph
A chart
Tallying
A pictogram is a clear visual way of presenting information
Question 2
This pie chart shows the colours of swimming costumes in a class. What is the most popular colour?
Red
Green
Blue
Purple
The largest section of the 'pie' is blue, so this is most popular
Question 3
When we look at tables, graphs and tallying, it is called...
Data Maths
Data Grouping
Data Drawing
Data Handling
Data Handling covers all the work in maths about using data and results
Question 4
Sam measured himself every month for a year and wrote his results in a table.
What would you expect to see?
Sam's start height was more than his height at the end of the year
Sam stayed the same height all year
Sam's height changed by over 2m
Sam's start height was shorter than his height a year later
Most children grow at least a few centimetres each year
Question 5
How much has been tallied here?
18
22
27
20
Each group is a group of 5 when we tally
Question 6
Which colour has the highest value in this bar chart?
Red
Purple
Green
Yellow
The green bar is the tallest so it must have the highest value
Question 7
Zak wants to ask his friends about their favourite TV programmes. How could he organise the information?
He could send them all a letter
He should just try to remember everyone's answers
He could write a story about it
In a table so he can tally
The table could have a space for the child's name, and a list of five or six programmes to choose from
Question 8
Sam is struggling to read his bar chart. He has labelled the numbers at the side, but what else should he have done?
Label each bar along the bottom
Coloured them in neatly
Made all the bars bigger to see them clearly
Turned the graph upside down
Labelling the information on a graph is really helpful for anyone trying to understand it
Question 9
This graph shows favourite colours in a class. What was the least favourite colour?
Yellow
Blue
Orange
Red
Yellow is the shortest bar and red was the most popular colour
Question 10
The teacher tallied the quality of homework handed in by her class. How many children handed in 'Good' or 'Excellent' homework?
18
25
22
12
Excellent got 6 and Good got 12
You can find more about this topic by visiting BBC Bitesize - Handling data

Author:  Angela Smith (Primary School Teacher & KS1 Quiz Writer)

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