[FACTFUL MATH] Grade level: 4 – 6th grades
Math skills: Circle graph
Related Environmental issues: Renewable energy
The graph below shows projected new electric generating capacity in the United States in 2021.
What energy is expected to increase the most and how much in GW?

Answer: Solar energy / 15.6GW
40 x 0.39 = 15.6 (GW)
Source: Source) Renewable Energy World, 2021.
Factful Environmental Math Problems (2020)
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)




Published: March 26, 2020
Price: $6.25