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Protractor Practice Worksheet

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Protractor Practice Worksheet

Protractor measuring angles

🎯 Learning Goals - I Can Statements

I can:

  • Use a protractor to measure angles accurately
  • Draw angles using a protractor
  • Identify different types of angles (acute, right, obtuse)
  • Read both inner and outer scales on a protractor

Success Criteria:

  • Measure angles within 2 degrees of accuracy
  • Draw angles within 3 degrees of the target
  • Choose the correct scale (inner or outer) on the protractor

📐 Part 1: Quick Review

1. Which scale should you use when the first ray points to the right?

Inner scale (starting at 0°)

Outer scale (starting at 0°)

It doesn't matter

2. What type of angle measures exactly 90°?

Acute angle

Right angle

Obtuse angle

3. Check all the steps you need to measure an angle:

Place the centre point on the vertex

Align one ray with the 0° line

Read where the second ray crosses the scale

Guess the measurement

📏 Part 2: Measuring Practice

4. Look at the angle drawn below. Measure it using your protractor and write your answer:

Angle measurement: _______ degrees

This is a(n) _____________ angle (acute/right/obtuse)

5. Measure this angle:

Angle measurement: _______ degrees

6. Measure this angle:

Angle measurement: _______ degrees

7. Draw an angle that measures 45°:
8. Draw an angle that measures 120°:
9. Draw a right angle (90°):

🚀 Part 3: Challenge Activities

10. Extension Activity: Draw two angles that add up to 180°. Measure each one to check your work:

Angle 1: _______ degrees

Angle 2: _______ degrees

Total: _______ degrees

11. Real-World Connection: Explain where you might need to measure angles in everyday life:
12. Reflection: What was the most challenging part of using a protractor today?

🎯 Differentiation Support

If you need extra help:

  • Use the colour-coded protractor
  • Start with angles that end at easy-to-read numbers (10°, 20°, 30°)
  • Ask for a demonstration before starting
  • Work with a partner to check your measurements

If you want an extra challenge:

  • Try measuring reflex angles (greater than 180°)
  • Create angle patterns and measure each one
  • Research different types of protractors used in various professions

Dyslexia-Friendly Tips:

  • Use a ruler to help track which scale you're reading
  • Cover numbers you're not using with your finger
  • Double-check by measuring the same angle twice
  • Use graph paper for drawing angles

About This Worksheet

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