Adding Hundreds

How to add three-digit numbers (for example 600 + 500).
Place one number above the other so the hundreds' place digits, the tens' place digits and ones' place digits are lined up. Draw a line under the bottom number.
600
500
Add the two ones' place digits. (0 + 0 = 0).
600
500
  0
Add the numbers in the tens' place column (0 + 0 = 0) and place the answer below the line and to the left of the ones' place sum.
 600
 500
  00
Add the numbers in the hundreds' place column (6 + 5 = 11) and place the answer below the line and to the left of the tens' place sum.
  600
  500
 1100

Find the Sum of the Numbers.

Notice: AAAMath licensed software. This file and associated files are copyrighted software that is protected under United States and international copyright laws and agreements. It is a violation of the law to distribute or duplicate this software. This includes distribution outside of the specific physical household, classroom, or school location for which the license was purchased. Violators will be prosecuted to the full extent of the law. If you notice a violation please contact AAAMath at copyright@aaamath.com