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Statistics: Interpreting Line Graphs

In this worksheet, students read information from a line graph and answer questions about it.

'Statistics: Interpreting Line Graphs' worksheet

Key stage:  KS 2

Curriculum topic:   Statistics

Curriculum subtopic:   Present Data Using Charts and Graphs

Difficulty level:  

Worksheet Overview

QUESTION 1 of 10

This worksheet is about reading information from a line graph about the height of a tomato plant during 11 weeks of growth.

 

 

Tomato plant Height of tomato plant (cm)
Height of tomato plant

 

Example

What was the height of the plant at the end of week 2? 

 

Answer

Each little mark on the height scale is worth 1 cm.

The answer is 14 cm.

 

Answer the question related to the line graph.

 

Tomato plant Height of tomato plant (cm).
Height of tomato plant

 

What was the height of the plant at the end of week 10?  

Answer the question related to the line graph.

 

Tomato plant Height of tomato plant (cm)
Height of tomato plant

 

How many centimetres did the plant grow between weeks 6 and 7?

Answer the question related to the line graph.

 

Tomato plant Height of tomato plant (cm)
Height of tomato plant

 

Between which two weeks did the plant grow fastest?

Between weeks 7 & 8

Between weeks 10 & 11

Answer the question related to the line graph.

 

Tomato plant Height of tomato plant (cm)
Height of tomato plant

 

Estimate the plant's height halfway between weeks 3 and 4.   

Answer the question related to the line graph.

 

Tomato plant Height of tomato plant (cm)
Height of tomato plant

 

What was the height of the plant at the end of the first week?  

Answer the question related to the line graph.

 

Tomato plant Height of tomato plant (cm)
Height of tomato plant

How many centimetres did the plant grow between weeks 1 and 2? 

Answer the question related to the line graph.

 

Tomato plant Height of tomato plant (cm)
Height of tomato plant

 

Between which two weeks did the plant grow the fastest?

Between weeks 7 & 8

Between weeks 6 & 7

Answer the question related to the line graph.

 

Tomato plant Height of tomato plant (cm)
Height of tomato plant

 

Estimate the plant's height at week 5?

Answer the question related to the line graph.

 

Tomato plant Height of tomato plant (cm)
Height of tomato plant
 

What week is the tomato plant about 31cm?

Week 7

Week 8

Week 9

Answer the question related to the line graph.

 

Tomato plant Height of tomato plant (cm)
Height of tomato plant
 

Estimate what the height of the plant will be in week 11.

  • Question 1

Answer the question related to the line graph.

 

Tomato plant Height of tomato plant (cm).
Height of tomato plant

 

What was the height of the plant at the end of week 10?  

CORRECT ANSWER
39
40
EDDIE SAYS
The height of the tomato plant at the end of week 10 is either 39cm or 40cm.
  • Question 2

Answer the question related to the line graph.

 

Tomato plant Height of tomato plant (cm)
Height of tomato plant

 

How many centimetres did the plant grow between weeks 6 and 7?

CORRECT ANSWER
4
5
EDDIE SAYS
Between 6 and 7 weeks, the plant grew 4cm-5cm.
  • Question 3

Answer the question related to the line graph.

 

Tomato plant Height of tomato plant (cm)
Height of tomato plant

 

Between which two weeks did the plant grow fastest?

CORRECT ANSWER
Between weeks 7 & 8
EDDIE SAYS
The plant grew the most between weeks 7 and 8.
  • Question 4

Answer the question related to the line graph.

 

Tomato plant Height of tomato plant (cm)
Height of tomato plant

 

Estimate the plant's height halfway between weeks 3 and 4.   

CORRECT ANSWER
18
19
EDDIE SAYS
The plant's height halfway between weeks 3 and 4 was about 18cm-19cm.
  • Question 5

Answer the question related to the line graph.

 

Tomato plant Height of tomato plant (cm)
Height of tomato plant

 

What was the height of the plant at the end of the first week?  

CORRECT ANSWER
6
EDDIE SAYS
The plant grew to 6cm by the end of the first week.
  • Question 6

Answer the question related to the line graph.

 

Tomato plant Height of tomato plant (cm)
Height of tomato plant

How many centimetres did the plant grow between weeks 1 and 2? 

CORRECT ANSWER
1
EDDIE SAYS
The plant grew 1cm between weeks 1 and 2.
  • Question 7

Answer the question related to the line graph.

 

Tomato plant Height of tomato plant (cm)
Height of tomato plant

 

Between which two weeks did the plant grow the fastest?

CORRECT ANSWER
Between weeks 6 & 7
EDDIE SAYS
There was the most growth on the line graph between weeks 6 and 7.
  • Question 8

Answer the question related to the line graph.

 

Tomato plant Height of tomato plant (cm)
Height of tomato plant

 

Estimate the plant's height at week 5?

CORRECT ANSWER
10
EDDIE SAYS
The plant's height at week 5 is about 10cm.
  • Question 9

Answer the question related to the line graph.

 

Tomato plant Height of tomato plant (cm)
Height of tomato plant
 

What week is the tomato plant about 31cm?

CORRECT ANSWER
Week 8
EDDIE SAYS
By carefully comparing the heights during this week, the graph shows the height at about 31cm in week 8.
  • Question 10

Answer the question related to the line graph.

 

Tomato plant Height of tomato plant (cm)
Height of tomato plant
 

Estimate what the height of the plant will be in week 11.

CORRECT ANSWER
36
EDDIE SAYS
From weeks 8-10 the plant grows steadily 2cm a week, so in week 11, the plant should grow to 36cm.
---- OR ----

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