Factful math: Grade 3rd-5th
Math skills: Circle graphs / Percentage
Related Environmental issues: Climate Change
There were 230 thousand electric cars registrations in the United States in 2020. The circle graph below shows global electric car registrations in 2020. About how many electric cars were registered in the world in 2020?
- 280 thousand
- 1 million
230 / 0.12 = 1,916 (thousand) = about 2 million
Source: IEA, Global EV Outlook 2021, https://www.iea.org/reports/global-ev-outlook-2021/trends-and-developments-in-electric-vehicle-markets#abstract
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