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

You look at the height of the bars to see how many items each category has.

Front

What does each bar in a bar graph represent?

Back

Each bar represents a different category or group.

Front

How can you compare two categories using a bar graph?

Back

You can compare the heights of the bars to see which category has more or less.

Front

What is the purpose of a bar graph?

Back

The purpose of a bar graph is to make it easy to compare different groups of data.

Front

What do you call the horizontal line on a bar graph?

Back

The horizontal line is called the x-axis.

Front

What do you call the vertical line on a bar graph?

Back

The vertical line is called the y-axis.

Front

What information can you find on the x-axis of a bar graph?

Back

The x-axis usually shows the categories being compared.

Front

What information can you find on the y-axis of a bar graph?

Back

The y-axis usually shows the numbers or values for each category.

Front

How do you find the total number of items in a bar graph?

Back

You add up the values represented by all the bars.