'Regrouping in Addition' includes carrying worksheets that build on one another. They begin with 2-digit sums and end with 5-digit sums.'Regrouping in Subtraction' begins with 2-digit borrowing subtraction problems and ends with 4-digit subtraction problems.All sheets are colored and black & white. Colored can be laminated and placed in math centers for early finishers or used with math groups to reinforce lesson. :)Happy Teaching,Miss NattieTerms of Use: This product is meant for one person