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Lesson 2: Bar graphs

Bar graphs show information by using bars to represent numbers.
The bar graph below shows the number of kids that chose each activity as their favorite thing to do on a hot day.
The Eat ice cream bar lines up with $120$, which means $120$ kids chose eating ice cream as their favorite hot day activity.
Practice Problem 1A
Which activity did $60$ kids choose?

Practice Problem 1B
Which activities did more than 80 kids choose?

## Comparing with bar graphs

Bar graphs can also be used to make comparisons.
The bar graph below shows the number of kids that chose each activity as their favorite thing to do on a rainy day.
We can see that kids chose watching a movie the most because the Watch a movie bar is the tallest. But we can also compare different choices by looking at more than one bar.
Practice Problem 2A
How many kids chose jumping in puddles as their favorite activity?

Practice Problem 2B
How many kids chose looking for rainbows as their favorite activity?

Sometimes we will need to answer questions by comparing two bars.
Practice Problem 2C
How many more kids chose jumping in puddles than chose looking for rainbows?

Practice Problem 2D
Which activity was chosen twice as many times as jumping in puddles?

## More ways to look at bar graphs

The bar graph below shows the number of kids that chose each activity as their favorite thing to do on a snowy day.
Practice Problem 3A
Which two activities were chosen by the same number of kids?

Practice Problem 3B
How many kids chose either drinking hot chocolate or reading a book as their favorite activity?

## Make a bar graph

The following table shows the number of kids that chose each activity as their favorite thing to do after school.
ActivityNumber of kids
Play outside$80$
Art$50$
Sports$60$
Computers$30$
Practice Problem 4A
Create a bar graph that shows the number of kids who chose each activity

Practice Problem 4B
Which two activities combined have the same number of kids as chose playing outside?

Practice Problem 4C
How many more kids chose the most popular activity than chose the least popular activity?

## Want to join the conversation?

• this stuff is so easy and does anyone want to be my best friend for ever cause you know i dont really have any friends so plz be my friend everyone hates me
• same
• have you never learned about bar graphs there so easy
• Bar graphes so easy i wish there was millions to do:-(
• Wat do I do if i encounter a bar graph but it say subtract to find the value?
• Can 1 million be in a bargragh
• yes if you have a really big bargragh.
• it was ok wish there were more to do!
• you you have find something harder.