How much do hurricanes cost?

Factful math: Grade 3rd-5th

Math skills: bar graph / division

Related Environmental issues: Climate Change

Tremendous damage was caused by Hurricane Ida. Scientists warms that climate change may make hurricanes more dangerous and costly.

The bar graph below shows the five most expensive hurricanes in U.S. history.

The U.S. spends $28 billion a year for children’s meals at school. How many times more did Hurricane Katrina cost?

  1. 17 times
  2. 6 times
  3. 0.2 times

ANSWER 2

170 / 28 = about 6 (times)

Source: nola, 2021. These are the 10 most expensive hurricanes in U.S. history; see video, storm tracks.

tableau, Explore the US federal budget- and the projected deficit growth.


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 electric vehicles were registered in 2020?

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?

  1. 280 thousand
  2. 1 million
  3. 2million

ANSWER 3

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)

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