Reading Bar Graphs

Front

What is a bar graph?

Back

A bar graph is a visual way to show information using bars of different heights or lengths to represent numbers.

Front

How do you read a bar graph?

Back

To read a bar graph, look at the labels on the bottom and the numbers on the side. Each bar shows how many of something there are.

Front

What does the height of a bar represent in a bar graph?

Back

The height of a bar represents the quantity or number of items in that category.

Front

If a bar for red is taller than a bar for purple, what does that mean?

Back

It means more people like red than purple.

Front

How can you find out how many more people like one thing than another using a bar graph?

Back

You can subtract the height of the shorter bar from the height of the taller bar.

Front

What is the purpose of a title in a bar graph?

Back

The title tells you what the bar graph is about.

Front

What do the labels on the bottom of a bar graph represent?

Back

The labels on the bottom represent the different categories being compared.

Front

What do the numbers on the side of a bar graph represent?

Back

The numbers on the side represent the quantity or count of items.

Front

If 9 people like red and 4 people like blue, how many more people like red?

Back

5 more people like red.

Front

What is the difference between a bar graph and a pictograph?

Back

A bar graph uses bars to show data, while a pictograph uses pictures or symbols.