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)

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Screen Shot 2020-04-02 at 10.31.32 AM
Screen Shot 2020-04-02 at 10.31.38 AM
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Published: March 26, 2020

Price: $6.25

Which country emits more CO2 per capita, China or the United States?

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

Math skills: Bar graph

Related Environmental issues: Climate Change

President Biden announced on April 21 that the United States will aim for 50% cut in greenhouse gas emissions by 2030 to address climate change.

The five largest CO2 producing countries in the world are China, the United States, India, Russia, and Japan. The bar graph below shows per capita CO2 emissions of those countries in 2019.

  1. Which country had the largest per capita CO2 emissions in 2019?

2. Which country had more per capita CO2 emissions, China or Japan?

3. Which country had about 4 times as much per capita CO2 emissions as India?


ANSWER:

  1. The United States
  2. Japan
  3. China

Source: European Commission Emission Database for Global Atmospheric Research, Fossil CO2 emissions of all world countries 2020 report


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