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Lesson 2: Bar graphs

# Creating picture and bar graphs

Sal creates and interprets bar and picture graphs.

## Want to join the conversation?

• What is a pie graph? I heard of this word in class.
• A pie chart is a way to represent information in percentages. It makes information easy to organize.
• Could he have used a bar graph?
• yes, Sal could have used a bar graph for any of the problems. He just wanted to cover all the types of graphs! Good question!
• Are different graphs needed for different situations? If you answer this, could you give me an example like the difference between pictographs and pi graphs?
• Yes, there are many different types of graphs that are used for all different situations. A pictograph is like a bar graph but uses pictures of objects instead of bars to show the values. Pie graphs are used when all of the values equal 100% like to show how much pizza each person ate if you had one pizza.
• what is pie graph
• You can refer to Jo21Mixels answer who said
"A pie chart is a way to represent information in percentages. It makes information easy to organize."
• Which graph is easier to understand or read? Bar graph or pictograph?