This document provides a comprehensive guide on how to accurately subtract money values, catering specifically to students. The goal is to enable students to master subtraction of monetary amounts through a step-by-step approach. The content includes worked examples illustrating the importance of aligning decimal points, regrouping when necessary, and clearly indicating the final value with appropriate decimal and dollar signs. It features various practice sections, including guided practice with worked examples, independent practice problems that gradually increase in difficulty, and challenging multi-step problems designed for mastery assessment. An answer key is provided at the end for self-assessment.