Kumon My Book of Subtraction: Revised Edition helps children build strong early subtraction skills through clear, step-by-step practice aligned with Ontario mathematics expectations.  Designed using the proven Kumon progression, this workbook supports confidence, accuracy, and independence in math.

Children learn to understand subtraction as “taking away,” solve subtraction problems, and build number fluency through carefully sequenced exercises that move from simple concepts to more advanced subtraction. Structured practice strengthens number sense, mental math, and early problem-solving skills.

With consistent, progressive practice, My Book of Subtraction helps children develop strong calculation skills and a solid foundation for continued success in early primary mathematics. Ideal for reinforcement, extra practice, and supporting classroom learning.