Solve Multi-Digit Addition: 10256 + 17435 in Vertical Format

To solve this problem, we'll follow these steps:

• Step 1: Start by adding the numbers column by column from right to left.
• Step 2: Handle any carries appropriately as you move from one column to the next.
• Step 3: Verify the result by comparing it to the provided answer choices.

Now, let's perform the addition step by step:

Step 1: Add the units column:
6 (from 10,256) + 5 (from 17,435) = 11
Write down 1 and carry over 1 to the tens column.

Step 2: Add the tens column:
5 + 3 = 8, plus the carry over 1, totals 9.
Write down 9.

Step 3: Add the hundreds column:
2 + 4 = 6.
Write down 6.

Step 4: Add the thousands column:
0 + 7 = 7.
Write down 7.

Step 5: Add the ten-thousands column:
1 + 1 = 2.
Write down 2.

Therefore, the sum of 10,256 and 17,435 is $27,691$.