Two and Two

Students find the two constants of proportionality for a proportional relationship, discover they are reciprocals, and use them to write two equations representing the relationship.

By Amplify Classroom

7th Grade

Math

Today’s Goals • Write two equations that represent the same proportional relationship, such as `y=kx` and `x=\frac{1}{k}y`. • Explain the relationship between the two constants of proportionality in a proportional relationship using terms such as reciprocal. (Reading and Writing)