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 each bar to determine the value it represents for 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; taller bars represent larger quantities.

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 number of items in a pictograph?

Back

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

Front

What is the difference between a bar graph and a pictograph?

Back

A bar graph uses bars to show data, while a pictograph uses pictures or symbols.

Front

What type of data is best represented by a bar graph?

Back

Bar graphs are best for comparing different categories of data.

Front

What type of data is best represented by a pictograph?

Back

Pictographs are best for showing data that can be easily represented with images.