Three Digit Addition with Regrouping

Three-digit addition is the process of adding numbers that have three digits, such as 123 or 456.

Regrouping in addition means carrying over a value from one column to the next when the sum exceeds 9.

754

881

506

491

547

1. Add the digits in the ones place. If the sum is 10 or more, carry over to the tens place. 2. Add the digits in the tens place, including any carry. 3. Add the digits in the hundreds place.

The ones place is the rightmost digit in a three-digit number, representing the number of single units.

The tens place is the middle digit in a three-digit number, representing the number of tens.