This document is a review module for 7th grade math students on ratios, proportions, and unit rates. It contains examples of setting up and solving proportions for various word problems involving rates, percentages, and unit pricing. Students are asked to write out the proportions for each problem and check their work with partners. The module aims to help students practice setting up and solving proportions to calculate values like distance, quantities, prices per unit, and rates of occurrence given partial data in ratios.