How many less miles do Americans travel amid the coronavirus pandemic?

Grade level: 4th – 6th grades

Skills: Subtraction and multiplication (decimals) 

Related environmental issues: Others

The majority of the world’s population has been under some type of stay-at-home orders due to the Coronavirus pandemic. Since those orders were issued, people have changed their habits and traveled less.

The table below shows the average travel distance of residents in Daytona beach, Florida, and Seattle, Washington, on February 28 and March 27, 2020.

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  1. Between February 28 and March 27, how many less miles did the average resident in Daytona Beach travel?
  2. Between February 28 and March 27, how many less feet did the average resident in Seattle travel? (1 mile = 5,280 feet)



Source: The New York Times, (April 2, 2020). Where America Didn’t Stay Home Even as the Virus Spread. 



Answer keys

1. 2.5 miles (4.4 – 1.9 = 2.5)
2. 20,003 feet (3.8 x 5,280 – 61 = 20,003)


Factful Environmental Math Problems (2020)

Just published and now available from Amazon  (paperback)

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 much recycled newspaper will save a tree?

Grade level: 4th – 5th grades

Skills: Fraction (multiplication/division)

Related environmental issues: Reduce/Reuse/Recycle


PDF version


Recycling paper prevents many trees from being cut down for paper. It is estimated that we can save one tree by recycling a stack of newspaper 3 feet high.

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  1. Sean recycled a stack of newspaper 23 feet high.  How many trees did Sean save by recycling the newspaper? Answers must be fractions in mixed numbers.
  2. To save 13 1/6  trees, a stack of how many feet of newspaper Does Sean need to recycle?  Convertfractions into mixed numbers.
  3. Maya wants to save 18 2/3trees. She gathered newspaper to recycle and made a stack of newspaper 55 feet high.  Did she gather enough newspaper? Explain.


PDF version


Source: Recycle Across America, Recycling facts

Answer keys

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