How many times more renewable energy did China add than the United States in 2021?

Factful math: Grade 3rd-5th

Math skills: Circle graphs

Related Environmental issues: Renewable Energy

China accounted for 45% of renewable capacity additions in the world in 2021.

How many times more renewable energy did China add than the United States in 2021?


ANSWER  China added 3.75 times more renewable energy than the United States in 2021.

45 / 12 = 3.75

Source: IEA (International Energy Agency), May 2022. Renewable Energy Market Update – Renewable electricity.

 


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)

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Published: March 26, 2020

Price: $6.25

How many pounds of plastics were recycled per person in the United States?

Factful math: Grade 3rd-5th

Math skills: Circle graphs

Related Environmental issues: Recycling

About 0.9 tons of materials were recycled per person in the United States in 2018.

The circle graph below shows a breakdown of recycled materials.

How many pounds of plastics were recycled per person in 2018?

(1tons=2,000pounds)


ANSWER  72 pounds

0.9 x 2000 x 0.04=72

Source: U.S. EPA. Facts and Figures about Materials, Waste and Recycling

 


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)

Screen Shot 2020-04-02 at 10.20.25 AM
Screen Shot 2020-04-02 at 10.31.32 AM
Screen Shot 2020-04-02 at 10.31.38 AM
unknown-1

Published: March 26, 2020

Price: $6.25