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 more/less people are flying in 2021?

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

Math skills: Bar graph / Average

Related Environmental issues: COVID-19

The bar graph below compares the number of people flying during the first week of May in 2019, 2020, and 2021 in the United States.

  1. In which year, did the least number of people fly?

2. Does more people fly in 2021 than in 2020?

3. Does more people fly in 2021 than in 2019?

4. On average, about how many more/less people are flying a day in 2021 than in 2019?

A. 800 B. 6,000 C. 800 thousand D. 6 million


ANSWER:

  1. 2020
  2. Yes
  3. No
  4. 3 (14,000 – 8,500) / 7≈ 800 (thousand) less people are flying in 2021 in a day

Source: US Transportation Security Administration, TSA checkpoint travel numbers 


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