Lesson 2 of 12

+ Addition with Regrouping

🎯 3rd Grade ⏱ ~25 minutes 🟢 Beginner

What You'll Learn

  • How to add two numbers using regrouping (carrying)
  • When and why we carry a ten into the next column
  • Mental math strategies for fast addition
Quick Check

1. What do you do when the ones column adds up to more than 9?

AIgnore the extra
BWrite both digits in the ones place
CCarry a ten to the tens column

2. 47 + 36 = ?

A73
B83
C84

3. Which strategy makes 58 + 22 easiest?

AGuess and check
B58 + 2 = 60, then 60 + 20 = 80
CSubtract instead

4. 65 + 48 = ?

A103
B113
C123