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 8 1/2 x 11 inches. paperback. 80 pages. full color.