🎓 Year 3 (ACARA Code : AC9M2N02)
🎯Focus:
Students will be able to:
🔢 understand that a number can be shown in different ways
🧱 rename 2‑digit and 3‑digit numbers using hundreds, tens and ones
🔄 regroup parts of a number to form a new way of writing it
0️⃣ explain what zero means in a number
✍️ write the same number in at least two different ways
Video Lessons
Coming Soon
- 🧠 Say the place values out loud: hundreds, tens, ones
- 📝 Write one number in two different ways
- 🎯 Check where the zero is and what job it is doing
- 🌟 Try teaching the idea to someone at home
💡 Key Ideas
✨ A number can look different but still have the same value.
- 🧱 263 can be 2 hundreds, 6 tens, 3 ones, or 26 tens and 3 ones.
- 🔄 Regrouping changes the form, not the total.
- 0️⃣ Zero is a place holder.
💬 Tip: Zero tells us there is nothing in that place, but the place still matters.
🧩 Mini Quiz – Quick Check
Try these after watching the video:
❓Question 1: What is renamed as 24 tens and 5 ones?
✅ Answer: 245
❓Question 2: What does the zero mean in 320?
✅ Answer: No Ones
❓Question 3: Which is the same as 4 hundreds and 8 ones?
✅ Answer: 408
❓Question 4: Can a number be renamed without changing its value?
✅ Answer: Yes
❓Question 5: 26 tens and 3 ones make?
✅ Answer: 263
Scored:
5/5 💯 = Champion!
3–4/5 🌟 = Great Work!
0–2/5 🔄 = Watch the video again!
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📚 Other Lessons in This Unit
🚀 Learning Path (Recommended Order)
| Step | 🔗 Lesson | 💡 What You Learn |
|---|---|---|
| 1 | 🧩 Year 2 Place Value: Partition & Rename 2‑ and 3‑Digit Numbers | Partition, rearrange, regroup and rename two- and three-digit numbers using standard and non-standard groupings (e.g. 263 = 2 hundreds 6 tens 3 ones = 26 tens 3 ones). . |
| 2 | 🧠 Year 2 Place Value: Turning Numbers into Hundreds, Tens and Ones – Examples, Activities and Printable Worksheets ⭐ You are here⭐ | Use place value to regroup tens and ones when adding and subtracting two- and three-digit numbers (e.g. 28 + 15, 63 − 27). Includes the role of zero in place value |