Monthly gasoline prices

Grade level:  4th – 5th grades

Skills:  Line graph

Related environmental issues: Energy

Area level: National

The line graph below shows the average monthly prices of gasoline (in dollars per gallon) between August 2015 and January 2016 in the United States.

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  1. Had the gasoline price increased or decreased since August 2015?
  2. What is the difference in dollars between the highest and the lowest gasoline prices?
  3. Between which months did the gasoline price change the least?
  4. Between which months did the gasoline price decrease more than 25 cents per gallon?

Source: EIA


Answer keys

  1. decreased
  2. $ 0.69 (2.64 – 1.95 = 0.69)
  3. Between October and November, 2015
  4. Between August and September, 2015