Browse Printable 3rd Grade Three-Digit Subtraction and Regrouping ... Worksheet 3-Digit Subtraction with Regrouping With over 40 three-digit subtraction problems, this worksheet is packed with extra practice. 3rd grade Math Worksheet Three-Digit Subtraction #2 Worksheet Three-Digit Subtraction #2 Learners will solve 12 three-digit subtraction problems in this engaging math worksheet. 3rd grade Math Worksheet