Stack Three and Add: Vertical Addition Practice !

In this worksheet, you will add three numbers stacked vertically, with each number going up to 3 digits. It’s a great way to practice regrouping and improve your fluency with multi-digit addition.

Skills You Build:

• Vertical addition with three terms

• Carrying over in ones, tens, and hundreds

• Strengthening place value understanding

• Building accuracy with multi-step problems

• Practicing neat, organized calculation