Addition/Subtraction of two 3-digit numbers may involve regrouping (or carrying/borrowing). These worksheets contain additions/subtractions of 3-digit numbers which may require regrouping (or carrying/borrowing) to reach the answer.

Either download and print one of the pre-generated worksheets or generate a new one. Each worksheet contains 16 questions.

- Addition/Subtraction of three digit numbers Worksheet 1
- Addition/Subtraction of three digit numbers Worksheet 2
- Addition/Subtraction of three digit numbers Worksheet 3
- Addition/Subtraction of three digit numbers Worksheet 4
- Addition/Subtraction of three digit numbers Worksheet 5
- Addition/Subtraction of three digit numbers Worksheet 6
- Addition/Subtraction of three digit numbers Worksheet 7
- Addition/Subtraction of three digit numbers Worksheet 8
- Addition/Subtraction of three digit numbers Worksheet 9
- Addition/Subtraction of three digit numbers Worksheet 10