Grade level: 3rd-4th
Skills: Addition & subtraction
Related environmental issues: Water
Area level: household
The table shows some types of food you eat and the amount of water required to produce the food.
- Which food requires the largest amount of water to produce?
- How much more does a hamburger requires to produce than 1 serving of beef?
- How much water does it need to produce 1 apple, 1 cup of milk, and 1 egg?
Source: Water Footprint
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Answer keys
- hamburger
- 174 gallons (634-460=174)
- 148 gallons (33+63+52=148)