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Class 5 Maths Worksheet: Angles

Maths worksheets lesson 39: Angles · Set 175 · 40 sums
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The method (Know the totals): Acute < 90°, right = 90°, obtuse between 90° and 180°, straight = 180°. On a straight line: the two angles add up to 180°. In a triangle: the three angles add up to 180°. Around a point: 360°. Clock: each hour mark is 30° apart (360° ÷ 12).

NameDateTime takenScore ___ / 40
  1. 1.What is the smaller angle between the hands of a clock at 5 o'clock (in degrees)?
  2. 2.Three angles meet at a point. Two of them are 110° and 50°. What is the third angle (in degrees)?
  3. 3.Two angles together make a straight line. One of them is 160°. What is the other angle (in degrees)?
  4. 4.What is the smaller angle between the hands of a clock at 6 o'clock (in degrees)?
  5. 5.A right angle is split into two angles. One of them is 70°. What is the other angle (in degrees)?
  6. 6.Two angles of a triangle are 40° and 135°. What is the third angle (in degrees)?
  7. 7.Three angles meet at a point. Two of them are 130° and 150°. What is the third angle (in degrees)?
  8. 8.Two angles together make a straight line. One of them is 110°. What is the other angle (in degrees)?
  9. 9.Three angles meet at a point. Two of them are 50° and 110°. What is the third angle (in degrees)?
  10. 10.Two angles of a triangle are 20° and 35°. What is the third angle (in degrees)?
  11. 11.What is the smaller angle between the hands of a clock at 11 o'clock (in degrees)?
  12. 12.Three angles meet at a point. Two of them are 60° and 140°. What is the third angle (in degrees)?
  13. 13.A right angle is split into two angles. One of them is 30°. What is the other angle (in degrees)?
  14. 14.What is the smaller angle between the hands of a clock at 7 o'clock (in degrees)?
  15. 15.Two angles together make a straight line. One of them is 40°. What is the other angle (in degrees)?
  16. 16.An angle measures 115°. What kind of angle is it? (a) Straight (b) Acute (c) Obtuse
  17. 17.What is the smaller angle between the hands of a clock at 3 o'clock (in degrees)?
  18. 18.Two angles together make a straight line. One of them is 10°. What is the other angle (in degrees)?
  19. 19.An angle measures 180°. What kind of angle is it? (a) Right (b) Straight (c) Obtuse
  20. 20.What is the smaller angle between the hands of a clock at 10 o'clock (in degrees)?
  21. 21.A right angle is split into two angles. One of them is 60°. What is the other angle (in degrees)?
  22. 22.An angle measures 30°. What kind of angle is it? (a) Acute (b) Obtuse (c) Right
  23. 23.Two angles together make a straight line. One of them is 70°. What is the other angle (in degrees)?
  24. 24.An angle measures 135°. What kind of angle is it? (a) Obtuse (b) Acute (c) Right
  25. 25.Three angles meet at a point. Two of them are 130° and 60°. What is the third angle (in degrees)?
  26. 26.What is the smaller angle between the hands of a clock at 4 o'clock (in degrees)?
  27. 27.A right angle is split into two angles. One of them is 5°. What is the other angle (in degrees)?
  28. 28.A right angle is split into two angles. One of them is 75°. What is the other angle (in degrees)?
  29. 29.Two angles of a triangle are 20° and 150°. What is the third angle (in degrees)?
  30. 30.An angle measures 65°. What kind of angle is it? (a) Obtuse (b) Acute (c) Straight
  31. 31.A right angle is split into two angles. One of them is 20°. What is the other angle (in degrees)?
  32. 32.Two angles of a triangle are 95° and 55°. What is the third angle (in degrees)?
  33. 33.Two angles together make a straight line. One of them is 130°. What is the other angle (in degrees)?
  34. 34.A right angle is split into two angles. One of them is 35°. What is the other angle (in degrees)?
  35. 35.Two angles of a triangle are 25° and 40°. What is the third angle (in degrees)?
  36. 36.What is the smaller angle between the hands of a clock at 1 o'clock (in degrees)?
  37. 37.Three angles meet at a point. Two of them are 100° and 80°. What is the third angle (in degrees)?
  38. 38.A right angle is split into two angles. One of them is 50°. What is the other angle (in degrees)?
  39. 39.An angle measures 90°. What kind of angle is it? (a) Straight (b) Right (c) Obtuse
  40. 40.Three angles meet at a point. Two of them are 60° and 70°. What is the third angle (in degrees)?

Answer key

  1. 150
  2. 200
  3. 20
  4. 180
  5. 20
  6. 5
  7. 80
  8. 70
  9. 200
  10. 125
  11. 30
  12. 160
  13. 60
  14. 150
  15. 140
  16. Obtuse
  17. 90
  18. 170
  19. Straight
  20. 60
  21. 30
  22. Acute
  23. 110
  24. Obtuse
  25. 170
  26. 120
  27. 85
  28. 15
  29. 10
  30. Acute
  31. 70
  32. 30
  33. 50
  34. 55
  35. 115
  36. 30
  37. 180
  38. 40
  39. Right
  40. 230

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