3.MD.3-Bar Graphs and Pictographs

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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.

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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.

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

Back

Comparing data means looking at the values of different categories to see which is greater or lesser.

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How can you tell which category has the most items in a bar graph?

Back

The category with the tallest bar represents the most items.

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What is the purpose of a title in a graph?

Back

The title explains what the graph is about and what data is being represented.

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How do you read a pictograph?

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To read a pictograph, count the number of pictures or symbols to determine the quantity they represent.

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What does it mean to combine data from two categories?

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Combining data means adding the values of two or more categories together to find a total.

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How do you find the difference between two categories in a bar graph?

Back

To find the difference, subtract the value of one category from the value of another.

Front

What is a key in a pictograph?

Back

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