Line

1
Line Graphs
2
Line Graph
Line Graph- a graph that uses a line to show the
relationship between two sets of data. Line
graphs show how data changes over time.
3
Line Graph
The following data can be displayed using a line
graph.
Height of Plant
Inches
Weeks
1
Week 1
3
Week 2
5
Week 3
9
Week 4
15
Week 5
17
Week 6
18
Week 7
4
Line Graph
Growth of Plant
20
18
16
14
1
1
12
3
2
10
Inches
5
3
8
9
4
6
15
5
4
17
6
2
0
18
7
Week 2
Week 3
Week 4
Week 5
Week 6
Week 7
Week 1
Weeks
5
Line Graph
How many inches did the plant grow from week 2 to
week 3?
2 inches
Between which two weeks did the plant grow the
most?
weeks 4 and 5
How many inches did the plant grow between week 3
and week 6?
12 inches
6
Line Graph
The following data can be displayed using a line
graph.
Ice-Cream Cone Sales
Cones Sold
Month
700
June
850
July
1,000
August
800
September
650
October
300
November
100
December
7
Line Graph
Ice-Cream Cone Sales
1200
1000
700
Jun.
800
850
Jul.
600
Cones Sold
1,000
Aug.
400
800
Sept.
200
550
Oct.
0
300
Nov.
June
July
August
October
November
December
September
100
Dec.
Months
8
Line Graph
In which month was the least number of ice-cream
cones sold?
December
In which month was the greatest number of
ice-cream cones sold?
August
During which months did sales decrease by 250
ice-cream cones?
September, October. and November
9
Line Graph
Line Graph- a graph that uses a line to show the
relationship between two sets of data. Line
graphs show how data changes over time.
10
Line Graph
Trend A pattern in the data on a line graph,
shown by an increase or decrease.
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What is the trend in the data?