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Algebra and Data Analysis - Instructional Strategies
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Classroom Activities for Teaching Students the Rubrics Criteria

HOT SEAT ACTIVITY
PROBLEM 1

The graph below shows the fuel economy of an average car as a function of speed. Make a table that gives the fuel economy at different speeds. At which speed is the fuel economy the greatest? Use mathematics to justify your answer.

SPEED AND FUEL ECONOMY

Fuel/Milage Graph

  • The fuel economy is the greatest at 40mph.

    (Application)

    SpeedFuel Economy
    10 10
    2025
    4035
    5030

    (Representation)

  • The fuel economy is greatest at 40 mph because that is where the maximum point of the graph is located.

    (Justification)
     

    • Instructional Strategies