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Home » Maths » Year 3 Maths (Aus Curriculum) » Angles as Turns and Right Angles » Comparing Angles to a Right Angle | Bigger, Smaller or Equal | Year 3 Math

Comparing Angles to a Right Angle | Bigger, Smaller or Equal | Year 3 Math

🎓 Year 3 (ACARA Code : AC9M3M05)
🎯Focus:
✅ Understand that turning creates an angle
✅ Compare turns to a right angle — bigger, smaller and equal
✅ Identify a quarter turn as equal to a right angle
✅ Explore angles as turns through movement activities



Video Lessons


📹 Video Lesson Tips

  • 📝 Write down what type of angle a tiny turn, quarter turn and wide turn each make
  • 🔄 Try a tiny turn, a quarter turn and a wide turn at home
  • 💬 Tell someone: which turn makes the biggest angle?
  • 🧠 Think about this: When you turn your body, are you making an angle?


💡 Key Ideas (Quick Guide)

  • ⬇️ Smaller than a right angle = a tiny twist or small movement
  • ✅ Equal to a right angle = a quarter turn = exactly 90°
  • ⬆️ Bigger than a right angle = a wide, sweeping turn past a square corner

🧩 Mini Quiz – Quick Check

Try these after watching the video:

❓Question 1: When something turns, it creates:

✅ Answer: An Angle

❓Question 2: A tiny twist of your wrist makes an angle that is:

✅ Answer: Smaller than a right angle

❓Question 3: A quarter turn is equal to:

✅ Answer: 1 right angle

❓Question 4: A wide sweeping turn past a square corner makes an angle that is:

✅ Answer: Bigger than right angle

❓Question 5: Which symbol tells us an angle is a right angle?

✅ Answer: A small square

Scored:

5/5 💯 = Champion!
3–4/5 🌟 = Great Work!
0–2/5 🔄 = Watch the video again!



📄 Sample Worksheet Preview

Angles_as_Turns_Bigger_Smaller_and_Equal_to_a_Right_Angle_Year_3_Maths_-_AC9M3M05-3-Worksheets

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📚 Other Lessons in This Unit

🚀 Learning Path (Recommended Order)

Step🔗 Lesson💡 What You Learn
1📐 What Is a Right Angle? Quarter, Half and Full Turns | Year 3 Math
Learn that a right angle is equal to a quarter turn, and explore how quarter, half and full turns are connected.
2📐 Right Angles in Real Life | How to Spot a Right Angle
Discover how to identify right angles in familiar objects and everyday situations, such as books, windows, doors and tables.
3📐 Comparing Angles to a Right Angle | Bigger, Smaller or Equal | Year 3 Math
⭐ You are here⭐
Compare angles with a right angle and decide whether they are smaller than, equal to or bigger than a right angle.

↩️ Back to Angles as Turns and Right Angles

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