How much gasoline can a hybrid car save?

Grade level:  5th grades

Skills:  Multiply fractions & Measurements (volume)

Related environmental issues: Energy

Area level: National, State, Regional, Household

Aden heard that hybrids cars consume less gasoline than regular cars because hybrid cars use electricity along with gasoline. Now he wants to know how much gasoline hybrid cars can save. He learned that a regular Ford Fusion that runs only on gasoline uses 3 gallons 3 quarts 1 cup of gasoline and a hybrid version of a Ford Fusion uses 1 gallon 8 cups of gasoline when driving 100 miles, which is about 2 hours away.

BP3CYPBUILD_136B520D-8BA5-93EB-A3B0-9D5AA3B09D5A

2016 Ford Fusion

1.For driving 100 miles, how many gallons and cups of gasoline does a regular Ford Fusion use than a hybrid Ford Fusion?

2.For driving 200 miles, how many less gasoline does a hybrid Ford Fusion use than a regular Ford Fusion? Use fractions.

3.The gasoline price is $2 per gallon today. How many dollars and cents does a hybrid Ford Fusion can save on gasoline than a regular Ford Fusion for driving 200 miles?

Source: U.S. Department of Energy, Fuel Economy

————————————————————-

Answer keys

  1. 2 gallons 5 cups (3 gallons 3 quarts 1 cup – 1 gallon 8 cups = 3 gallons 13 cups – 1 gallon 8 cups = 2 gallons 5 cups)
  2. 4 5/8 gallons (2 gallons 5 cups x 2 = 4 gallons 10 cups = 4  10/16 gallons = 4  5/8 gallons)
  3. 9 1/4 dollars (2 x 37/8 = 9 1/4 dollars (9 dollars and 25 cents)

How much gasoline do you need to travel from Chicago to Detroit?

Grade level:  5th grades

Skills: Convert measurement (volume: gallons, quarts, pints & cups)

Related environmental issues: Energy

Area level: National, State, Regional, Household

Five families had a trip from Chicago, Illinois, to Detroit, Michigan, which is 300 miles, and calculated how much gasoline they used. The table below shows each family’s car and the amount of gasoline they used.

Screen Shot 2016-01-15 at 12.12.10 PM

  1. Show the amount of gasoline Parker family used in gallons and cups.
  2. Show the amount of gasoline Brown family used in gallons, quarts, and cups.
  3. Show the amount of gasoline Lewis family used in gallons and cups.
  4. Show the amount of gasoline Harris family used in gallons and quarts.
  5. Show the amount of gasoline Rogers family used in gallons and cups.

Source: Cars.com, Top 10 Best-Selling Cars: September 2015

Note) The five cars shown here are top 5 best-selling cars in September, 2015, in the United States.  The fuel economy (city/highway combined) of the 2016 Ram 1500 (4WD),  2016 Honda Accord (2.4 L, 4 cyl, Automatic), the 2016 Chevrolet Silverado (K15 4WD), the 2016 Ford F150 (3.5L 4WD GVWR), and the 2016 Toyota Camry (2.5 L, 4 cyl, Automatic (S6)  is 22, 31, 19, 17, and 28, respectively.

————————————————————-

Answer keys

  1. 13 gallons 8 cups (1 pint = 2 cups)
  2. 9 gallons 2 quarts 2 cups (1 quart = 4 cups)
  3. 15 gallons 13 cups
  4. 17 gallons 2 quarts (1 quart = 2 pints)
  5. 10 gallons 10 cups