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

1.US
2. Three (US, Canada, and Australia)
3.Germany
4.Japan

 

 


 

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

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Do we use more water for toilet or shower?

Grade level:  5 – 6th grades

Skills: Circle graphs

Related environmental issues: Water

The circle graph below shows how the average American family uses water at home.

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1. For what purposes does the average American family use the most water?

2. For what purposes does the average American family use more water, shower or washing machine?

3. The average American family uses 300 gallons of water a day. How many gallons of water does the average American family use for shower?

4. The average American family loses a lot of water to leaky toilets, appliances and faucets. What percentage of water is wasted through leaks?

5. How many gallons of water does the average American family lose through leaks a day?

Sources: U.S. Environmental Protection Agency, 2018. How We Use Water

To find and fix water leaks, visit here (Water Footprint, 2018. Indoor Water Leaks)

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Answer keys

  1. Toilet
  2. Shower
  3. 300 x 0.2 = 60 (gallons)
  4. 100 – 24 – 20 – 19 – 17 – 8 = 12 (%)
  5. 300 x 0.12 = 36 (gallons)