This document provides examples of rate and unit rate word problems at three levels of difficulty: basic, intermediate, and challenging. It begins with single-step word problems asking for rate or unit rate. Then it presents two-step problems that require calculating multiple rates. Finally, it gives differentiated word problems labeled as basic, intermediate, or challenging that involve calculating rates, units rates, distances, times, costs, or speeds based on the information provided. The document aims to help students practice solving various types of rate and ratio word problems.