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Celeste International School

Grade 5 · Worksheet

Angles

Measuring & drawing angles

Name: ______________________________Date: ______________Score: ______ / 20
  1. 1.

    What type of angle is 50°?

    1. AAcute
    2. BRight
    3. CObtuse
    4. DReflex
  2. 2.

    What type of angle is exactly 90°?

    1. AAcute
    2. BRight
    3. CObtuse
    4. DReflex
  3. 3.

    What type of angle is 350°?

    1. AObtuse
    2. BReflex
    3. CAcute
    4. DRight
  4. 4.

    An obtuse angle is between 90° and 180°.

    True False
  5. 5.

    How many degrees are there in a quarter turn?

    °
  6. 6.

    How many degrees are there in a full turn?

    °
  7. 7.

    When you measure an angle anticlockwise from 0°, which numbers on the protractor do you use?

    1. AThe outside numbers
    2. BThe inside numbers
    3. CBoth circles
    4. DThe centre dot
  8. 8.

    Two angles sit next to each other on a straight line. One is 110°. What is the other angle?

    °
  9. 9.

    An angle and the reflex angle beside it make one full turn around a point. The angle is 50°. What is the reflex angle?

    °
  10. 10.

    You are asked to draw an angle of 30°. What type of angle is it?

    1. AAcute
    2. BObtuse
    3. CReflex
    4. DRight
  11. 11.

    An acute angle is bigger than a right angle.

    True False
  12. 12.

    The best wheelchair ramps have an angle between 7° and 15°. Which of these ramp angles is in the best range?

    1. A5°
    2. B12°
    3. C18°
    4. D22°
  13. 13.

    Before you measure an angle, it is a good idea to estimate its size first.

    True False
  14. 14.

    What type of angle is 162°?

    1. AAcute
    2. BObtuse
    3. CReflex
    4. DRight
  15. 15.

    What type of angle is 88°?

    1. AAcute
    2. BReflex
    3. CObtuse
    4. DRight
  16. 16.

    What type of angle is 46°?

    1. AAcute
    2. BRight
    3. CObtuse
    4. DReflex
  17. 17.

    What type of angle is 124°?

    1. AAcute
    2. BRight
    3. CObtuse
    4. DReflex
  18. 18.

    What type of angle is 55°?

    1. AAcute
    2. BRight
    3. CObtuse
    4. DReflex
  19. 19.

    What type of angle is 281°?

    1. AAcute
    2. BObtuse
    3. CReflex
    4. DRight
  20. 20.

    What type of angle is 93°?

    1. AAcute
    2. BRight
    3. CObtuse
    4. DReflex
Celeste International School

Answer key

Angles — Measuring & drawing angles

  1. 1.A. Acute
  2. 2.B. Right
  3. 3.B. Reflex
  4. 4.True
  5. 5.90 °
  6. 6.360 °
  7. 7.B. The inside numbers
  8. 8.70 °
  9. 9.310 °
  10. 10.A. Acute
  11. 11.False
  12. 12.B. 12°
  13. 13.True
  14. 14.B. Obtuse
  15. 15.A. Acute
  16. 16.A. Acute
  17. 17.C. Obtuse
  18. 18.A. Acute
  19. 19.C. Reflex
  20. 20.C. Obtuse