Find the Missing Inputs for a Function Machine Using a Vertical Table

This Find the Missing Inputs for a Function Machine Using a Vertical Table video also includes:

Given the rule and output values for a function machine, teach your class how to work backward to determine the inputs. The final video of this nine-part series uses tables to organize the inputs, outputs, and rule of a function, and then calculates missing input values using the inverse operation. Use this an an opportunity to reinforce understanding of multiplication and division fact families. A great resource for introducing your class to solving one-step algebraic equations.

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CCSS: Designed
Classroom Considerations

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Pros

  • Coach's Commentary offers extension ideas to further develop the content of this lesson
  • Provides an opportunity for students to practice working backward to problem solve
  • The use of tables clearly demonstrates the relationship betweeen the input and output values of a function
Cons

  • Only provides a brief explanation of inverse operations, requiring the teacher to supplement more detailed instruction
Common Core