Circle Graphs B, C, and D

B. The following is a breakdown of a households estimated household energy use. Make a circle graph to show the estimated distribution of household energy costs. Shade in each section of the graph differently.

Heating - 50%
Water Heating - 18%
Major Appliances - 14%
Lighting - 6%
Other - 12%

 

C. Use the data in the circle graph you completed to answer the questions.

1. Lara is interested in buying a house that is heated by oil.   Everything else in the house is run by electricity.  The previous owners  tell Lara that they spent about $800 for oil per year.  About how much should Lara expect to spend each year for  electricity?

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2. A household spends about $120 a month on energy bills. About how much of this bill is spent to operate major appliances?

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3. A consumer report gives suggestions that can lower hot-water use by 5%. If a monthly household bill is about $125, how much might that bill be reduced if the suggestions were followed?

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4. What are some things that you think would substantially help in reducing household energy costs?

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D. On Your Own

Conduct a survey in your classroom or school. Choose a topic for which you have four or five responses. Record the results in a circle graph.

 

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Career Connection to Teaching with Technology