3-Digit Addition with Regrouping

Regroup across multiple columns

What You'll Learn

  • Regroup from ones to tens
  • Regroup from tens to hundreds
  • Handle multiple regroupings

📖Multiple Regroupings

Sometimes you need to regroup more than once. 458 + 367: First 8 + 7 = 15, carry 1. Then 5 + 6 + 1 = 12, carry 1. Finally 4 + 3 + 1 = 8. Answer: 825.

💡

Write the carried digit small above the next column so you don't forget it!