🔄 Addition With Regrouping

Visual Tutorial
Page 1 of 2
No Regrouping vs. Regrouping
✅ No Regrouping
12 + 3 = 15
+
ones: 2 + 3 = 5 ✅
🔄 Regrouping!
7 + 8 = 15
+
ones: 7 + 8 = 15 → trade 10 for 1 ten!
7 + 8 = 15
7
+
8
⬇️
10 ✓
+
5
=
15
7 + 8 = 15   with Blocks
+
⬇️ 15 ones → 1 ten + 5 ones ⬇️
= 15

🔄 Addition With Regrouping

More Examples
Page 2 of 2
8 + 5 = 13
8
+
5
→
10
+
3
= 13
Step 1: Move 2 dots from 5 to fill the 8-frame → 10 ✅
Step 2: 5 − 2 = 3 dots left over
Answer: 1 ten and 3 ones = 13
9 + 6 = 15
9
+
6
→
10
+
5
= 15
Step 1: Move 1 dot from 6 to fill the 9-frame → 10 ✅
Step 2: 6 − 1 = 5 dots left over
Answer: 1 ten and 5 ones = 15
Vertical — Carry the 1
¹
 7
+ 8
15
¹
 8
+ 5
13
¹
 9
+ 6
15
¹
 6
+ 7
13
¹
 9
+ 9
18
🧠 Remember
1. Add the ones first → is it 10 or more? 🔄 Time to regroup!
2. Make a ten from the ones and carry it over to the tens.
3. Add the tens, then attach the leftover ones for your answer!