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

What do the bars in a bar graph represent?

Back

The bars represent quantities or values of different categories.

Front

How do you read a bar graph?

Back

You look at the height or length of the bars to understand how many items belong to each category.

Front

What is the purpose of a bar graph?

Back

The purpose of a bar graph is to compare different groups or categories easily.

Front

What does it mean if one bar is taller than another in a bar graph?

Back

It means that the category represented by the taller bar has a greater quantity than the category represented by the shorter bar.

Front

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

Back

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

Front

If a bar graph shows 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 total number of votes if a bar graph shows 21 votes for hockey and 19 votes for football?

Back

The total number of votes is 40.

Front

How can you find the total number of students who voted in a bar graph?

Back

You add the heights of all the bars together.

Front

What does it mean if a bar graph has a bar that is 0?

Back

It means that no one voted for that category.