Add a one-digit number to a two-digit number – without regrouping

Key notes:-

🧮 What Does Addition Mean?

➕ Addition means putting two numbers together to make a bigger number.
💡 Example: 3 + 2 = 5 🎉

---

🔢 Two-Digit + One-Digit Numbers

When we add a one-digit number (like 2, 3, or 5) to a two-digit number (like 21, 34, or 46), we are just adding ones.
🧠 Example: 32 + 5 = 37

---

🚫 Without Regrouping Means…

👉 It means the ones do not make a new ten.
🧩 The total of the ones is less than 10.
💬 Example:
34 + 3 = 37 (✅ no regrouping)
34 + 8 = 42 (❌ regrouping needed)

---

💁‍♀️ Steps to Add Without Regrouping

1️⃣ Write the numbers in columns (tens and ones).
2️⃣ Add the ones place first.
3️⃣ Add the tens place (it stays the same since no regrouping).
🎯 Example:

  45  
+  3  
-----  
  48 ✅

---

🌟 Quick Trick!

👉 Just count forward from the two-digit number.
🎲 Example: 52 + 4 = count 53, 54, 55, 56 🟰 56

---

🎉 Practice Time!

💖 21 + 3 = ?
💚 46 + 2 = ?
💙 57 + 1 = ?
💛 64 + 4 = ?

---

🏁 Remember!

✨ Always check: Did the ones go above 9?
If No, ➕ it’s without regrouping! 😄
If Yes, then it’s regrouping. 🔄

Learn with an example

Let’s practice!