Vertical Line Test

This Vertical Line Test interactive also includes:

Connect the points to create a function. Using points given by the applet, pupils try to connect them to create a line that would pass the vertical line test. The resource keeps track of the number of sets the learner is able to identify as a function.

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CCSS: Designed
Additional Tags
Instructional Ideas
  • Ask individuals to put into their own words what it means to Pass the Vertical Line Test
  • Challenge the class to draw non-functions even if the points are a function
Classroom Considerations
  • Individuals should know the definition of a function
  • This resource is only available on an unencrypted HTTP website. It should be fine for general use, but don’t use it to share any personally identifiable information
  • Provides links to related resources and lessons
  • Contains a worksheet to help users discover aspects of functions
  • None