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 each bar to determine the value it represents and compare the bars to see which category has more or less.

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 corresponds to.

Front

What is the purpose of a pictograph?

Back

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

Front

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

Back

You can tell which category is the most popular by identifying the tallest bar in the graph.

Front

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

Back

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

Front

How do you calculate the total from a bar graph?

Back

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

Front

What does it mean if two bars in a bar graph are the same height?

Back

If two bars are the same height, it means that the categories they represent have the same quantity.

Front

How can you represent data using a pictograph?

Back

You can represent data using a pictograph by choosing a symbol and deciding how many items each symbol represents.