This document provides examples of calculating rate of change using the formula M=Y1-Y2/X1-X2. It gives step-by-step workings for finding the rate of change in money over time, gas prices from month to month, bones a dog had over days, and number of friends from month to month. The rate of change was found to be $12.50 per day for money, $0.52 per month for gas prices, -1.33 bones per day, and 7.33 friends per month.