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How to Read from a Bar Chart
Interactive Exercise Worksheet
(Editable, Printable, and Sendable)
Here are three randomly selected questions from a larger exercise, which can be edited and sent via email to students or printed to create exercise worksheets.
Reading from a Bar Chart (The Lesson)
Imagine a teacher asked their class what their favorite color was.
The bar chart below shows how many students prefer each color:
We can read the heights of the bars to find out how many students preferred each color.
How to Read from a Bar Chart
Reading from a bar chart is easy.
The values in our data set are shown along the horizontal axis. In our example, these are the favorite colors of the students.
How many times each value appears in our data set (the frequency) is shown along the vertical axis. In our example, these are how many students prefer a color.
The height of the bar above each color tells us how many students prefer that color.
Question
The bar chart below shows the favorite colors of students in a class.
How many students prefer each color?
StepbyStep:
1
Look at the first color. In our example, it is Blue.
Read off the height of the bar above the color. In our example, the height is 10.
10 students' favorite color is blue.
2
Look at the next color. In our example, it is Red.
Read off the height of the bar above the color. In our example, the height is 15.
15 students' favorite color is red.
3
Look at the next color. In our example, it is Yellow.
Read off the height of the bar above the color. In our example, the height is 10.
10 students' favorite color is yellow.
Answer:
We have read off the bar chart:

10 students' favorite color is blue.

15 students' favorite color is red.

10 students' favorite color is yellow.
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