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 chart 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 determine the value of each category.

Front

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

Back

The height of a bar represents the quantity or value of the category it represents.

Front

How do you compare data in a bar graph?

Back

You compare data in a bar graph by looking at the heights of the bars to see which is taller or shorter.

Front

What is the purpose of a pictograph?

Back

The purpose of a pictograph is to make data easier to understand by using images to represent quantities.

Front

How can you find the total in a bar graph?

Back

To find the total in a bar graph, add the values represented by each bar.

Front

What is a key in a pictograph?

Back

A key in a pictograph explains what each picture or symbol represents in terms of quantity.

Front

How do you determine how many more or less in a bar graph?

Back

To determine how many more or less, subtract the height of one bar from another.

Front

What is the scale in a bar graph?

Back

The scale in a bar graph shows the values represented by the heights of the bars.