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 find the total number of items in a bar graph?

Back

To find the total, add the values of all the bars together.

Front

What does it mean to compare data in a bar graph?

Back

Comparing data means looking at the heights of the bars to see which category has more or less.

Front

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

Back

The category with the tallest bar is the most popular.

Front

What does it mean to have 'more' in a bar graph?

Back

Having 'more' means that the height of one bar is greater than the height of another bar.

Front

What does it mean to have 'fewer' in a bar graph?

Back

Having 'fewer' means that the height of one bar is less than the height of another bar.

Front

How do you read a pictograph?

Back

To read a pictograph, count the number of pictures or symbols to find out how many items each category represents.

Front

What is the purpose of using graphs?

Back

Graphs help us understand and compare data easily by showing it visually.

Front

What is a key in a pictograph?

Back

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