This lesson explains how proportional relationships can be described using equations. It is 3 of 5 in the series titled "Using Equations to Describe Proportions."

This lesson explains how proportional relationships can be described using equations.

This lesson will introduce the meaning of weighted average, and demonstrate how to solve for the weighted average of a data set. Students can look at a presentation and then take an online quiz.

This lesson will demonstrate how to solve mixture problems using weighted averages. Students can explore a PowerPoint presentation and then take an online quiz.

This lesson will introduce the meaning of weighted average, and demonstrate how to solve for the weighted average of a data set. Students can look at a presentation and then take an online quiz.

This lesson defines the term ratio. Students can look at a two-page presentation of notes and practice problems.