What state leads the United States in solar power?

Grade level: 4 – 5th grades

Skills: Circle graphs

Related environmental issues: Energy

The circle graph below shows the 5 states that generated the most solar power in August 2020.  

  1. What state leads the nation in solar power?
  2. What state generated as much solar power as Florida did?
  3. How many times more solar power did California generate than the second leading state? 

Note: Solar power means electricity generated from solar panels.

Source: U.S. Energy Information Administration, Electric Power Monthly 


  1. Califronia
  2. Arizona
  3. 35÷7=5 (times)


Factful Environmental Math Problems (2020)

Just published and now available from Amazon  (paperback)

About this book

The objective of Factful Environmental Math Problems is to cultivate our young people’s skills to analyze and evaluate fact-based data for understanding our world, while improving their math skills and critical thinking skills.

With the rise of the Internet and new technology, building skills to analyze and evaluate fact-based data becomes increasingly important for our young people to prepare for this rapidly changing world. These skills minimize their chances of being brainwashed by false information and making uninformed decisions and ultimately help develop their critical thinking skills. (Read more)

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Published: March 26, 2020

Price: $6.25