Has the coal production increased or decreased in the largest coal producing states?

Grade level:  3rd – 5th grades

Skills: Subtraction (3-digits)

Related environmental issues: Energy & Climate Change

President Trump visited China this week. China depended mostly on coal for their energy resources, but the use of coal has been declining these days because the coal use causes both health and environmental problems.  Declining of coal production has also been seen in the United States. The table below compares the amount of coal produced between 2014 and 2015 in the top 5 coal-producing states.

 

Table: The amount of coal produced in the top 5 coal-producing states (2014 and 2015)

(Unit: Thousand short tons)

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  1. Among the five states, which state reduced their coal production the most?
  2. Among the five states, which state reduced their coal production the least?
  3. Between 2014 and 2015, altogether how much did coal production decrease in five states?

Sources: U.S. Energy Information Administration, 2017. Annual Coal Production by State

 

Answer keys

  1. Wyoming
  2. Illinois
  3. 20 + 16 + 16 + 2 + 11 = 65 (thousand short tons)