People in what state produces wind power the most?

Grade level:  4th – 5th grades

Skills:  Addition and Subtraction

Related environmental issues: Energy

Area level: National, state

The table below shows the average wind power generation per person (per capita wind power) in top 5 states with wind power generation in 2015.

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  1. What is the difference between the largest and the smallest numbers?
  2. Is per capita wind power in Texas larger than per capita wind power in California and Illinois combined? If so, by how many watts? If not, by how many watts?
  3. Is per capita wind power in Iowa larger than per capita wind power in Texas, Oklahoma, and Illinois combined? If so, by how many watts? If not, by how many watts?
  4. What is the difference between per capita wind power in Oklahoma and California?

Source: U.S. Department of Energy, 2015. Installed Wind Capacity &  United States Census Bureau

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Answer keys

  1. 1,723 (1,838 – 115 = 721)
  2. Yes: Larger by 156 watts (155 + 298 = 453 ;  609 – 453 =  156)
  3. No: Smaller by 186 watts (609 + 1,117 + 298 = 2,024 ; 2,024 – 1,838 = 186)
  4. 962 (1,117 – 155 = 962)