Bar and Double
3-6
Bar Graphs
The graph shows the
Time Spent in Space
amount of time four
150
astronauts spent in
MAIN IDEA
125
space during a single
100
mission. You can use
I will interpret bar
75
graphs to answer
the graph to compare
50
questions.
25
the time spent in space.
0
John
Michael
Shannon
David
New Vocabulary
Blaha
Foale
Lucid
Wolf
Astronaut
double bar graph
Source: Time for Kids
Math Online
Math Online
Math Online
A bar graph allows you to compare data easily.
• Extra Examples
• Personal Tutor
Real-World
EXAMPLES
Read Bar Graphs
• Self-Check Quiz
BOOKS
The bar graph shows the number of books
checked out of a school library.
1
What is the most
Books Checked Out
popular book?
To find the most
Adventure
popular kind of
Animals
book, look for the
longest bar.
Mystery
Sports books are
Sports
most popular.
0 10 20 30 40 50 60
Number Checked Out
2
How many sports and animal books were checked out?
60 sports books and 20 animal books were checked out.
60 + 20 = 80
So, there were 80 sports and animal books checked out.
112 Chapter 3 Organize, Display, and Interpret Data