Skills in Social Studies The Line Graph
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Skills in Social Studies
The Line Graph
Key Features of a Line Graph
A Line Graph should have the same key points to it as a Bar Graph:
• A Title• Both axis ruled• Clearly labelled unit of measurement on
both axis• Equal spacing on both axis• Numbers increasing at regular intervals
Key Features of a Line Graph
A Line Graph should have the same key points to it as a Bar Graph:
• The only main difference is that the horizontal labels should be on the point instead of in between the points
Identify what is wrong with this Line Graph
400
360
0
40
80
120
160
200
240
280
320
J F M A M J AJ S O N D
Identify what is wrong with this Line Graph
400
375
0
20
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150
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240
310
315
J F M A M J AJ S O N D
Rainfall for Hong Kong
Identify what is wrong with this Line Graph
F M A M J AJ S O N D
400360
040
80
120160
200
240280
320
Months
J
Identify what is wrong with this Line Graph
Rainfall for Kenya400
360
0
40
80
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160
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320
Rai
nfal
l (m
m)
DFJ M A M J SAJ O N
Line Graph of Temperature of Lake Tekapo
Temperature of Lake Tekapo
9 lines down your page
11cms across your page
Tem
pera
ture
(
C)
Months
Month Temp Jan 15 C
Feb 13 C
Mar 12 C
Apr 9 C
May 5 C
June 2 C
July 1 C
Aug 3 C
Sep 6 C
Oct 8 C
Nov 11 C
Dec 13 C
18
0
2
4
6
8
10
12
14
16
J F M A M J AJ S O N D
Create your own Line Graph• Use these figures to create your
own line graph.• Remember the Key Features of a
Line Graph.• Hint: Decide on vertical axis
spacing now.• Be careful when plotting the
years as not all the figures are in 10 year intervals.
• Complete graph and then put your hand up so I can check your graph.
Year Maori Popn in NZ
1901 45,000
1911 52,000
1921 56,000
1936 82,000
1951 115,000
1961 167,000
1971 227,000
1976 257,000
1981 280,000
Maori Population in New Zealand
Years (1900s)
Maori Population in New Zealand
270
0
30
60
90
120
150
180
210
240
01 21 4131 51 61 8171
300
11
Popu
latio
n (0
00s)
Maori Population in New Zealand
• Now you have completed your graph I want you to write 2-3 sentences describing what your graph is showing.
• e.g. The above line graph is showing . . .
Maori Population in New Zealand
• Now answer these questions about your completed graph.
• Between which 10 year period was the biggest increase in population?
• Between which 10 year period was the lowest increase in population? 1911-1921
1971-1981
THE END
Key Features of a Line Graph
DNOSJ AJMAMFJ
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