Grade level: 4th – 5th grades
Skills: Multiplication
Related environmental issues: Water
The table below shows some types of food you eat and the amount of water required to produce the food.
- In the morning, you had 3 eggs. How much water did it take to produce 3 eggs?
- At noon, you had lunch with 4 friends. Each bought a bottled soft drink. How much water did it take to produce the water?
- Both you and your brother had 2 small bags of potato chips after school. How much water did it take to produce the potato chips?
- You and your brother had pizza for dinner. You had three slices and your brother had four slices. How much water did it take to produce the pizza?
Sources: Water Footprint and World watch Institute
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Answer keys
- 52 x 3 = 156 (gallons)
- 78 x 5 = 390 (gallons)
- 62 x 4 =248 (gallons)
- 92 x 7= 644 (gallons)