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

Either download and print one of the pre-generated worksheets or generate a new one. Each worksheet contains 20 questions.

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