# Reading and drawing line graphs

### Reading and drawing line graphs

#### Lessons

• Introduction
Introduction to Line Graphs
a)
How to read a line graph?

b)
How to make a line graph?

• 1.
Mrs. K created a graph to keep track of attendance in her classroom over a week.

a)
On which days were exactly 2 students absent?

b)
How many more students were absent on Friday versus Tuesday?

c)
Which day had the best attendance?

• 2.
Lori kept track of the number of long distance calls she made over a 6 month period.
 Month Calls January 10 February 5 March 8 April 6 May 4 June 3
a)
Display the data in the table in a line graph.

b)
Was Lori more, less or just as likely to make long distance calls later in these 6 months?

• 3.
The governments of two cities claim that they have done a very successful job in developing the public transit system over the past 10 years. Below are line graphs showing the average waiting times for a bus in the two cities in the past 10 years.

a)
Which government improved the waiting time more?

b)
Which government did a better job in developing public transit system overall?