Bar Graphs and Pictographs

Front

What is a Bar Graph?

Back

A Bar Graph is a visual representation of data using bars of different heights or lengths to show the quantity of each category.

Front

What is a Pictograph?

Back

A Pictograph is a graph that uses pictures or symbols to represent data, where each picture stands for a certain number of items.

Front

How do you read a Bar Graph?

Back

To read a Bar Graph, look at the height of the bars to see how much each category represents.

Front

What does the height of a bar in a Bar Graph represent?

Back

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

Front

What is the purpose of a Pictograph?

Back

The purpose of a Pictograph is to make data easier to understand by using pictures.

Front

How can you tell which category has the most votes in a Bar Graph?

Back

You can tell which category has the most votes by looking for the tallest bar.

Front

If a Bar Graph shows 9 votes for red, how many votes does red have?

Back

Red has 9 votes.

Front

If there are 20 total votes and 9 are for red, how many votes are for other colors?

Back

There are 20 - 9 = 11 votes for other colors.

Front

What does it mean if one bar is shorter than another in a Bar Graph?

Back

It means that the category represented by the shorter bar has fewer items or votes than the category represented by the taller bar.

Front

How do you find the difference in votes between two categories in a Bar Graph?

Back

To find the difference, subtract the height of the shorter bar from the height of the taller bar.