Dive into a world of subtraction exercises, as you work your way through solving 6000 double digit exercises. Whether or not it's been a long time since you last practiced, this workbook allows you to focus just on your subtraction skills. While this book doesn't teach any methods for solving the exercises, it is instead intended as a practice workbook for you to use whichever method(s) you wish, to solve each exercise. Features: . 6000 double digit subtraction exercises . Generous 8.5x11 inch sized pages . Solutions at the back, allowing you to check your answers . Size 15pt font for the exercises and 12.5pt font for the answers . Each page is broken up into individual tests containing 60 exercises