What is 555 + 333?

To find the sum of 555 and 333, we start by aligning the numbers vertically based on their place values:

555

• 333

---

Starting from the rightmost column (the units):

- In the units column, we add 5 (from 555) and 3 (from 333), which gives us 8.

Moving to the next column (the tens):

- Here, we add 5 (from 555) and 3 (from 333), resulting in 8.

Finally, in the hundreds column:

- We add 5 (from 555) and 3 (from 333), resulting in 8 as well.

Now, we can combine these results:

- Hundreds: 8

- Tens: 8

- Units: 8

This leads us to the final sum: 888. Therefore, the correct answer is indeed 888, which reflects the proper addition of the two original numbers.