🎓 Visual Place Value Models – Year 3 (ACARA Code : AC9M3N03)
🎯Focus:
🧠 Standard & non-standard partitions
➕ Solve addition & subtraction faster
➖ Build mental math & problem-solving skills
📚 Year 3 Australian Curriculum – Number and Algebra aligned
Key Ideas (Quick Guide)
- Standard Partition 🏗️: split into hundreds, tens, ones
- Example: 485 + 365 → 400 + 80 + 5 + 300 + 60 + 5 = 850
- Non-Standard Partition 🔄: split numbers flexibly
- Example: 365 → 350 + 15 → 485 + 15 = 500 → 500 + 350 = 850
- Combine strategies for complex problems
- Useful for mental math & problem-solving confidence 🧠
🎥Video Lessons
💡 Video Tips:
✏️ Try both standard & non-standard partitions
🟦 Use blocks or drawings to split numbers
⚡ Compare which method is faster
🗣️ Practice mental calculations aloud
🧩 Mini Quiz – Quick Check
Try these after watching the video:
❓Question 1: Split 365 into 350 + ?
✅ Answer: 15
❓Question 2: Solve 485 + 15 = ?
✅ Answer: 500
❓Question 3: Then add 500 + 350 = ?
✅ Answer: 850
❓Question 4: Standard partition splits numbers into? a) Hundreds/tens/ones b) Twos/fives/tens
✅ Answer: Hundreds/tens/ones
❓Question 5: True or False: Non-standard partitions are only for experts ✅/❌
✅ Answer: False
📄 Sample Worksheet Preview
Flexible-Math-Strategies-Standard-vs-Non-Standard-Partitions-Explained-AC9M3N03📥 Download Free Printable 6 Worksheet Pack
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