Graphs: Pictograph, Bar, Line, and Line Plot

Front

What is a pictograph?

Back

A pictograph is a graph that uses pictures or symbols to represent data. Each picture represents a certain number of items.

Front

What does a bar graph show?

Back

A bar graph displays data using rectangular bars. The length of each bar represents the quantity of the data it represents.

Front

How do you read a line graph?

Back

A line graph shows data points connected by lines. It helps to visualize trends over time.

Front

What is a line plot?

Back

A line plot is a number line that shows the frequency of data points. Each mark above a number represents one occurrence.

Front

How do you find the difference in a bar graph?

Back

To find the difference, subtract the height of one bar from another to see how many more or fewer items are represented.

Front

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

Back

The height of a bar represents the quantity or frequency of the data it corresponds to.

Front

What is the purpose of a line graph?

Back

The purpose of a line graph is to show how a quantity changes over time.

Front

How can you tell which category is the most popular in a pictograph?

Back

You can tell by comparing the number of pictures or symbols for each category; the one with the most pictures is the most popular.

Front

What is the first step in reading a line plot?

Back

The first step is to look at the number line and identify the data points marked on it.

Front

How do you calculate the total from a pictograph?

Back

To calculate the total, count the number of pictures and multiply by the value each picture represents.