Written addition

Add three digit numbers using the expanded form.

Click here to download today’s worksheet and teaching ideas.

Adding 3 Digit Numbers Using the Place Value Strategy (No Regrouping)

Addition – Expanded Form with Regrouping (3-digit plus 3-digit) 

Adding 3 Digit Numbers in Expanded Form

You now know how to add three digit numbers using the expanded form. Now complete today’s worksheet on this topic. Have fun!