How many more electric vehicles were sold in Europe than USA in 2020?

[FACTFUL MATH] Grade level: 3 – 5th grades

Math skills: Circle graph

Related Environmental issues: Electric Vehicle

Globally, 3.2 million of electric vehicles (EVs) were sold in 2020 alone.

The circle graph below shows where those EVs were sold.

  1. How many EVs were sold in Japan?

2. About how many more EVs were sold in Europe than USA?


Note: EVs here include both BEV and PHEV

ANSWER:

  1. 3.2 million = 3,200 thousand 3,200 x 0.01 = 32 thousand
  2. 3.2 x (43 – 10)/100 = 1 million

Source: EV-volumes.com [https://www.ev-volumes.com]


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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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

What energy will increase the most in 2021?

[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)

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