Adding Greater Numbers Adding greater numbers is like adding 2- and 3-digit numbers. Line up the addends so that you are adding digits of the same place value. Start to add at the right and work toward the left.

3 5, 7 8 6 + 6 2, 3 4 5 Step 1 Add ones and tens. Regroup when you can.

3 5, 7 8 6 + 6 2, 3 4 5 Step 2 Add hundreds, thousands, and ten thousands. Regroup when you can. 3 1

1 1, 5 2 5 + 4, 3 7 1

2 1, 8 8 8 + 6, 4 3 1

3 1 3, 0 8 2 + 2 2, 0 2 6