20 math problems where students will be subtracting with regrouping. Answer key included. Keywords: math, subtraction, subtract, minus, take away, fewer, less, difference, how many left, decrease, away, remain, compare, mental math, arithmetic, subtraction with regrouping, borrowing, double digit subtraction, 2-digit, no prep, printable, practice, step-by-step, guided practice, homework, morning work, classwork, 2nd grade, 3rd grade, 4th grade, 5th grade, elementary math, special education, inte