Predict an equation that waves up and down. Pupils set the height, radius, and period of a Ferris wheel. The learners write a sine equation to match the graph of the height of a point on the wheel as a function of time. Running the interactive, they test their predictions.

Concepts

graphing trigonometric functions, trigonometric functions, periods, parameters, sine, angle of rotation

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Additional Tags

math

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Instructional Ideas

• Provide specific parameters for the Ferris wheel
• Use the interactive in reverse, provide the equation and have class members determine the wheel parameters

Classroom Considerations

• The class should be familiar with trigonometric functions

Pros

• Uses colors to distinguish the two graphs
• Displays the angle or rotation

Cons

• None

Common Core

HSF-IF.C.7.e HSF-TF.B.5 MP5