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 and compare them to see which is greater or lesser.

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 category it represents.

Front

How can you find the difference between two values in a bar graph?

Back

To find the difference, subtract the smaller value from the larger value represented by the bars.

Front

What is the purpose of using a pictograph?

Back

The purpose of using a pictograph is to make data easier to understand and visually appealing by using images.

Front

How do you determine the total number of items represented in a pictograph?

Back

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

Front

What is the importance of labels in bar graphs and pictographs?

Back

Labels are important because they identify what each bar or picture represents, making the data clear and understandable.

Front

How can you compare two categories in a bar graph?

Back

You can compare two categories by looking at the heights of their respective bars; the taller bar represents the larger quantity.

Front

What is a key in a pictograph?

Back

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