Applying Subtraction Strategies. This reproducible book provides pratical worksheets that proceed developmentally to mastery of subtraction. Using a unique approach to reinforce understanding of the operation, the book includes the following ready-to-use activity sheets:, Number Stories: familiar words and pictures introduce the basics of operations, children draw and finish stories about numbers, Counting Back for subtraction, Funny Facts, Magic, Doubling, Matching, Halving, Swapping, etc. , Speed Tests, AssessmentThis book is sequenced to insure a smooth transition for young learners, allowing them to develop a conceptual awareness of subtraction and then apply this to mental and abstract tasks. 64 pages.