This workbook helps your child subtract three-digit numbers with confidence. Children will learn to regroup (borrow) when subtracting, which equips them with the tools to subtract three-digit numbers. Vertical subtraction is included along with patterning and sequencing activities, so children gain a fundamental understanding of subtraction. Topics Covered in this Book: Horizontal subtraction review Vertical form subtraction Regrouping (borrowing) Three-digit minus two-digit subtraction Early three- & four-digit subtraction Addition & subtraction of three two-digit numbers Patterns & sequencing