### Examples

*Example:*A graph has a line that goes through the origin and the point (5,2). This represents a proportional relationship and the constant of proportionality is .

*Example:* Gina works as a babysitter and earns $9 per hour. She can only work 6 hours this week. Gina wants to know how much money she will make. Gina can use the equation e=9h, where e is the amount of money earned, h is the number of hours worked and 9 is the constant of proportionality.

**Subject Area:**Mathematics (B.E.S.T.)

**Grade:**7

**Strand:**Algebraic Reasoning

**Date Adopted or Revised:**08/20

**Status:**State Board Approved

## Related Courses

## Related Access Points

## Related Resources

## Formative Assessments

## Tutorial

## MFAS Formative Assessments

Students are given a graph that models the hourly earnings of a babysitter and are asked to interpret ordered pairs in context.

Students are asked to identify and explain the constant of proportionality given a verbal description and a diagram representing a proportional relationship.

Students are asked to determine the constant of proportionality using a table and a graph.

Students are asked to identify and explain the constant of proportionality in three different equations.

## Student Resources

## Tutorial

This video shows how to recognize and understand graphs of proportional relationships to find the constant of proportionality.

Type: Tutorial