STEM Excellence Series: Empowering the Next Generation

BAR GRAPH

BAR GRAPH

Definition Of Bar Graph

A bar graph is a graph that compares different amounts using bars.

Examples of Bar Graph

The bar graph below shows the number of people visited a park in different years.

The graph helps you compare the number of visitors between any two years.

Video Examples: How To Make and Use a Bar Graph

Solved Example on Bar Graph

Ques: The bar graph shown represents the number of chocolates that Nina ate last week. Which day did she eat the most number of chocolates?

Solved Example on Bar Graph

Choices:

A. Wednesday
B. Thursday
C. Sunday
D. Monday
Correct Answer: B

Solution:

Step 1: The bar for Thursday is the tallest in the bar graph shown
Step 2: So, Nina ate the most number of chocolates on Thursday.

Real-world Connections for Bar Graph

Bar graphs are used to compare categorical data using bars. Amount of rainfall on different days in a week, the favorite colors of grade 3 students, the number of students enrolled in different grades in a school in a particular academic year, etc are examples where you use bar graphs.
You can use bar graphs to compare your test scores.

 

Quick Summary

  • Bar graphs use bars to represent data.
  • The height of the bar shows the amount or quantity.
  • Bar graphs are used to compare different categories.
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🍎 Teacher Insights

Use real-world examples and hands-on activities to help students understand bar graphs. Encourage them to create their own bar graphs using data they collect.

🎓 Prerequisites

  • Counting
  • Basic Arithmetic
  • Categorical Data

Check Your Knowledge

Q1: Which day had the most chocolates eaten based on the graph?

Q2: What does the height of a bar represent?

Frequently Asked Questions

Q: What is a bar graph used for?
A: Bar graphs are used to compare amounts of different categories.

Q: How do you read a bar graph?
A: Look at the height of each bar to determine the amount for each category.

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