Double digit addition activities ( regrouping) amy, All about us teacherspayteachers® is an online marketplace where teachers buy and sell original downloadable educational materials, hard goods and used educational. 3 digit subtraction worksheets regrouping, Here are 3 digit subtraction worksheets requiring regrouping. subtraction with carrying can be a difficult concept for new learners - teach with these.. Addition – 3 digit / free printable worksheets – worksheetfun, Content filed under the addition – 3 digit category. comment. 3 digit addition with regrouping – carrying – 5 worksheets.