🎓 Compare Numeral Systems – Year 3 (ACARA Code : AC9M3N01)
🎯Focus: This subtopic helps Year 3 students understand and compare numeral systems, develop a strong sense of place value, and confidently read, write, and order numbers up to 50,000.
🎥Video Lessons
Watch our 5-minute video to explore how numbers are written in different systems and why Hindu-Arabic numerals are so widely used.
💡 Video Tips:
- ⏸️ Pause after each example and ask students to identify the number
- 👉 Highlight place values in the numbers
- 🔁 Replay tricky examples to reinforce understanding
💡 Key Ideas (Quick Guide)
📊 Different numeral systems represent numbers differently but place value is universal
🔢 Hindu-Arabic digits: 0–9, positional value determines the number
👀 Place value example:
- 36,482 → 3 ten-thousands + 6 thousands + 4 hundreds + 8 tens + 2 ones
✍️ Understanding place value helps students read, write, and compare larger numbers accurately
🧩 Mini Quiz – Quick Check
Try these after watching the video:
❓Question 1: What is the name of the numeral system we use every day?
✅ Answer: Hindu-Arabic
❓Question 2: Which numeral system uses 0–9 digits and place value to show numbers?
✅ Answer: Hindu-Arabic
❓Question 3: A system that uses different symbols in some countries is called a ______ numeral system.
✅ Answer: Non-Hindu-Arabic / Other / Cultural
❓Question 4: True or False: All numeral systems use place value in the same way.
✅ Answer: False
❓Question 5: Name one other numeral system besides Hindu-Arabic.
✅ Answer: (Accept any simple answer like Roman, Chinese, Japanese, Mayan, etc.)