Grade level: 5th – 6th grades
Skills: Decimals (Subtraction) (number comparison)
Related environmental issues: Energy
The table below shows the average price of gasoline per gallon in five big cities the United States in March 2018.
Among the five cities, which city had the highest gasoline price?
- Among the five cities, which city had the lowest gasoline price?
- What is the difference between the highest price and the lowest price?
- Which city had the price 6 cents lower than the price in Chicago?
- Which is bigger, the difference between New York City and Los Angeles or the difference between Houston and San Fransisco?
Sources: U.S. Energy Information Administration (2018) Retail Gasoline and Diesel Prices
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Answer keys
- Los Angeles
- Houston
- $1.16 (3.56 – 2.4 = 1.16)
- New York City
- Houston and San Fransisco (Los Angeles – New York: 3.56 – 2.73 = 0.83) (San Fransisco – Houston: 3.53 – 2.4 = 1.13)