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Class 5 Maths Worksheet: Angles

Maths worksheets lesson 39: Angles · Set 893 · 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.Three angles meet at a point. Two of them are 140° and 110°. What is the third angle (in degrees)?
  2. 2.An angle measures 90°. What kind of angle is it? (a) Straight (b) Acute (c) Right
  3. 3.A right angle is split into two angles. One of them is 10°. What is the other angle (in degrees)?
  4. 4.What is the smaller angle between the hands of a clock at 8 o'clock (in degrees)?
  5. 5.What is the smaller angle between the hands of a clock at 11 o'clock (in degrees)?
  6. 6.A right angle is split into two angles. One of them is 85°. What is the other angle (in degrees)?
  7. 7.Two angles together make a straight line. One of them is 160°. What is the other angle (in degrees)?
  8. 8.Two angles of a triangle are 35° and 25°. What is the third angle (in degrees)?
  9. 9.Three angles meet at a point. Two of them are 70° and 190°. What is the third angle (in degrees)?
  10. 10.Three angles meet at a point. Two of them are 50° and 160°. What is the third angle (in degrees)?
  11. 11.Two angles together make a straight line. One of them is 45°. What is the other angle (in degrees)?
  12. 12.Two angles together make a straight line. One of them is 85°. What is the other angle (in degrees)?
  13. 13.An angle measures 30°. What kind of angle is it? (a) Right (b) Obtuse (c) Acute
  14. 14.Two angles together make a straight line. One of them is 170°. What is the other angle (in degrees)?
  15. 15.Two angles of a triangle are 25° and 35°. What is the third angle (in degrees)?
  16. 16.Three angles meet at a point. Two of them are 90° and 130°. What is the third angle (in degrees)?
  17. 17.What is the smaller angle between the hands of a clock at 5 o'clock (in degrees)?
  18. 18.Two angles of a triangle are 35° and 130°. What is the third angle (in degrees)?
  19. 19.What is the smaller angle between the hands of a clock at 10 o'clock (in degrees)?
  20. 20.An angle measures 180°. What kind of angle is it? (a) Right (b) Acute (c) Straight
  21. 21.Three angles meet at a point. Two of them are 110° and 170°. What is the third angle (in degrees)?
  22. 22.Three angles meet at a point. Two of them are 50° and 150°. What is the third angle (in degrees)?
  23. 23.Three angles meet at a point. Two of them are 60° and 240°. What is the third angle (in degrees)?
  24. 24.Three angles meet at a point. Two of them are 90° and 50°. What is the third angle (in degrees)?
  25. 25.Three angles meet at a point. Two of them are 60° and 170°. What is the third angle (in degrees)?
  26. 26.A right angle is split into two angles. One of them is 5°. What is the other angle (in degrees)?
  27. 27.What is the smaller angle between the hands of a clock at 2 o'clock (in degrees)?
  28. 28.Two angles of a triangle are 40° and 25°. What is the third angle (in degrees)?
  29. 29.A right angle is split into two angles. One of them is 35°. What is the other angle (in degrees)?
  30. 30.What is the smaller angle between the hands of a clock at 7 o'clock (in degrees)?
  31. 31.Three angles meet at a point. Two of them are 50° and 80°. What is the third angle (in degrees)?
  32. 32.A right angle is split into two angles. One of them is 75°. What is the other angle (in degrees)?
  33. 33.Three angles meet at a point. Two of them are 150° and 50°. What is the third angle (in degrees)?
  34. 34.Two angles of a triangle are 20° and 130°. What is the third angle (in degrees)?
  35. 35.What is the smaller angle between the hands of a clock at 3 o'clock (in degrees)?
  36. 36.An angle measures 85°. What kind of angle is it? (a) Acute (b) Right (c) Obtuse
  37. 37.Two angles of a triangle are 80° and 85°. What is the third angle (in degrees)?
  38. 38.What is the smaller angle between the hands of a clock at 9 o'clock (in degrees)?
  39. 39.Two angles together make a straight line. One of them is 70°. What is the other angle (in degrees)?
  40. 40.A right angle is split into two angles. One of them is 15°. What is the other angle (in degrees)?

Answer key

  1. 110
  2. Right
  3. 80
  4. 120
  5. 30
  6. 5
  7. 20
  8. 120
  9. 100
  10. 150
  11. 135
  12. 95
  13. Acute
  14. 10
  15. 120
  16. 140
  17. 150
  18. 15
  19. 60
  20. Straight
  21. 80
  22. 160
  23. 60
  24. 220
  25. 130
  26. 85
  27. 60
  28. 115
  29. 55
  30. 150
  31. 230
  32. 15
  33. 160
  34. 30
  35. 90
  36. Acute
  37. 15
  38. 90
  39. 110
  40. 75

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