How much water does a pair of jeans take to produce?

actful math: Grade 3rd-5th

Math skills: Division

Related Environmental issues: Water conservation

The Fashion industry is the second largest water consumer in the world.

It takes about 2,000 gallons of water to produce a pair of jeans. A standard bathtub holds about 40 gallons. About how many bathtubs can 2,000 gallons of water fill with?

ANSWER  50 bathtubs

2000 / 40 = 50

Source: World Economic Forum, 2020. These facts show how unsustainable the fashion industry is.


A person in which country uses more water on average – US or Canada?

Grade level: 3rd – 5th grades

Skills: Bar graphs

Related environmental issues: Water

The bar graph below shows how much water is consumed per person every hour in six countries.

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  1. On average, a person in which country uses the most water among these countries?
  2. A person in how many countries uses more than 20 gallons of water every hour on average?
  3. On average, a person in which country uses the least water among these countries?
  4. A person in which county uses twice as much water as a person in Germany on average?


Source: statistic (2020) Annual water consumption per capita in 2017


Answer keys

2. Three (US, Canada, and Australia)




The 225 Math Quizzes That Will Make You An Environmental Expert (2019) is available from  (paperback)

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