🎓 Ordering and Comparing Large Numbers – Year 3 (ACARA Code : AC9M3N01)
🎯Focus: Learn to compare and order large numbers accurately using place value and number strategies.
🎥Video Lessons
💡 Try these strategies while using the video:
- ⏸️ Pause after each example and ask student to identify which number is bigger.
- 👉 Ask student to point to the highest place value when comparing numbers.
- 🔁 Replay tricky examples and have student write the numbers in ascending/descending order on mini-whiteboards or in notebooks.
💡 Key Ideas: Ordering & Comparing Numbers
- 🔢 Compare from left to right: Start with the highest place value.
- 👀 If digits are equal, move one place to the right until a difference is found.
- ✍️ Ordering numbers: Ascending (smallest → largest) or Descending (largest → smallest).
- 📊 Tools: Use place value charts, blocks, or number lines to visualize differences.
🧩 Mini Quiz – Quick Check
Try these after watching the video:
❓Question 1: Compare: 60,452 _ 60,500
✅ Answer: 60,452 < 60,500
❓Question 2: Arrange in ascending order: 1,042,807; 1,004,215; 1,045,000
✅ Answer: 1,004,215, 1,042,807, 1,045,000
❓Question 3: Compare using place value: 99,999; 100,009; 100,000
✅ Answer: 99,999 < 100,000 < 100,009
❓Question 4: Arrange in descending order: 108,465; 108,456; 108,499
✅ Answer: 108,499, 108,465, 108,456
❓Question 5: Compare: 215,038 _ 215,083
✅ Answer: 215,038 < 215,083
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