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Class 5 Maths Worksheet: Angles

Maths worksheets lesson 39: Angles · Set 620 · 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.What is the smaller angle between the hands of a clock at 4 o'clock (in degrees)?
  3. 3.A right angle is split into two angles. One of them is 80°. What is the other angle (in degrees)?
  4. 4.A right angle is split into two angles. One of them is 10°. What is the other angle (in degrees)?
  5. 5.Three angles meet at a point. Two of them are 80° and 90°. What is the third angle (in degrees)?
  6. 6.An angle measures 150°. What kind of angle is it? (a) Acute (b) Obtuse (c) Right
  7. 7.A right angle is split into two angles. One of them is 85°. What is the other angle (in degrees)?
  8. 8.Three angles meet at a point. Two of them are 70° and 70°. What is the third angle (in degrees)?
  9. 9.Two angles together make a straight line. One of them is 115°. What is the other angle (in degrees)?
  10. 10.An angle measures 90°. What kind of angle is it? (a) Right (b) Straight (c) Acute
  11. 11.Two angles of a triangle are 40° and 60°. What is the third angle (in degrees)?
  12. 12.What is the smaller angle between the hands of a clock at 3 o'clock (in degrees)?
  13. 13.Three angles meet at a point. Two of them are 130° and 70°. What is the third angle (in degrees)?
  14. 14.Two angles together make a straight line. One of them is 25°. What is the other angle (in degrees)?
  15. 15.Two angles of a triangle are 70° and 45°. What is the third angle (in degrees)?
  16. 16.What is the smaller angle between the hands of a clock at 6 o'clock (in degrees)?
  17. 17.Three angles meet at a point. Two of them are 110° and 50°. What is the third angle (in degrees)?
  18. 18.Two angles together make a straight line. One of them is 65°. What is the other angle (in degrees)?
  19. 19.Three angles meet at a point. Two of them are 120° and 90°. What is the third angle (in degrees)?
  20. 20.What is the smaller angle between the hands of a clock at 1 o'clock (in degrees)?
  21. 21.Two angles of a triangle are 25° and 120°. What is the third angle (in degrees)?
  22. 22.Two angles of a triangle are 80° and 85°. What is the third angle (in degrees)?
  23. 23.Two angles of a triangle are 60° and 40°. What is the third angle (in degrees)?
  24. 24.An angle measures 180°. What kind of angle is it? (a) Obtuse (b) Straight (c) Acute
  25. 25.What is the smaller angle between the hands of a clock at 2 o'clock (in degrees)?
  26. 26.Three angles meet at a point. Two of them are 130° and 170°. What is the third angle (in degrees)?
  27. 27.Three angles meet at a point. Two of them are 60° and 200°. What is the third angle (in degrees)?
  28. 28.Two angles together make a straight line. One of them is 75°. What is the other angle (in degrees)?
  29. 29.Three angles meet at a point. Two of them are 50° and 220°. What is the third angle (in degrees)?
  30. 30.Three angles meet at a point. Two of them are 70° and 60°. What is the third angle (in degrees)?
  31. 31.Two angles together make a straight line. One of them is 85°. What is the other angle (in degrees)?
  32. 32.Two angles together make a straight line. One of them is 150°. What is the other angle (in degrees)?
  33. 33.What is the smaller angle between the hands of a clock at 10 o'clock (in degrees)?
  34. 34.Two angles together make a straight line. One of them is 20°. What is the other angle (in degrees)?
  35. 35.Two angles of a triangle are 90° and 30°. What is the third angle (in degrees)?
  36. 36.Two angles of a triangle are 35° and 35°. What is the third angle (in degrees)?
  37. 37.What is the smaller angle between the hands of a clock at 11 o'clock (in degrees)?
  38. 38.Two angles of a triangle are 95° and 70°. What is the third angle (in degrees)?
  39. 39.Two angles together make a straight line. One of them is 35°. What is the other angle (in degrees)?
  40. 40.Two angles together make a straight line. One of them is 80°. What is the other angle (in degrees)?

Answer key

  1. 150
  2. 120
  3. 10
  4. 80
  5. 190
  6. Obtuse
  7. 5
  8. 220
  9. 65
  10. Right
  11. 80
  12. 90
  13. 160
  14. 155
  15. 65
  16. 180
  17. 200
  18. 115
  19. 150
  20. 30
  21. 35
  22. 15
  23. 80
  24. Straight
  25. 60
  26. 60
  27. 100
  28. 105
  29. 90
  30. 230
  31. 95
  32. 30
  33. 60
  34. 160
  35. 60
  36. 110
  37. 30
  38. 15
  39. 145
  40. 100

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