3-Digit Plus/Minus 3-Digit Addition and Subtraction with ... - Math-Drills Mar 16, 2017 · Welcome to The 3-Digit Plus/Minus 3-Digit Addition and Subtraction with SOME Regrouping (A) Math Worksheet from the Mixed Operations Worksheets Page at Math-Drills.com. This math worksheet was created on 2017-03-16 and has been viewed 537 times this week and 699 times this month. It may be printed, downloaded or saved and used in your …