← Angles lesson New set →

Class 5 Maths Worksheet: Angles

Maths worksheets lesson 39: Angles · Set 976 · 40 sums
TalentJR

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.An angle measures 80°. What kind of angle is it? (a) Acute (b) Obtuse (c) Right
  2. 2.A right angle is split into two angles. One of them is 80°. What is the other angle (in degrees)?
  3. 3.An angle measures 180°. What kind of angle is it? (a) Acute (b) Straight (c) Right
  4. 4.Three angles meet at a point. Two of them are 150° and 120°. What is the third angle (in degrees)?
  5. 5.What is the smaller angle between the hands of a clock at 11 o'clock (in degrees)?
  6. 6.Two angles of a triangle are 35° and 100°. What is the third angle (in degrees)?
  7. 7.Two angles together make a straight line. One of them is 140°. What is the other angle (in degrees)?
  8. 8.A right angle is split into two angles. One of them is 65°. What is the other angle (in degrees)?
  9. 9.Two angles of a triangle are 75° and 20°. What is the third angle (in degrees)?
  10. 10.What is the smaller angle between the hands of a clock at 2 o'clock (in degrees)?
  11. 11.A right angle is split into two angles. One of them is 40°. What is the other angle (in degrees)?
  12. 12.A right angle is split into two angles. One of them is 5°. What is the other angle (in degrees)?
  13. 13.Two angles together make a straight line. One of them is 115°. What is the other angle (in degrees)?
  14. 14.Two angles together make a straight line. One of them is 90°. What is the other angle (in degrees)?
  15. 15.What is the smaller angle between the hands of a clock at 8 o'clock (in degrees)?
  16. 16.Three angles meet at a point. Two of them are 70° and 80°. What is the third angle (in degrees)?
  17. 17.An angle measures 90°. What kind of angle is it? (a) Straight (b) Acute (c) Right
  18. 18.Two angles of a triangle are 85° and 75°. What is the third angle (in degrees)?
  19. 19.Three angles meet at a point. Two of them are 130° and 50°. What is the third angle (in degrees)?
  20. 20.What is the smaller angle between the hands of a clock at 7 o'clock (in degrees)?
  21. 21.Three angles meet at a point. Two of them are 70° and 220°. What is the third angle (in degrees)?
  22. 22.What is the smaller angle between the hands of a clock at 4 o'clock (in degrees)?
  23. 23.What is the smaller angle between the hands of a clock at 5 o'clock (in degrees)?
  24. 24.Three angles meet at a point. Two of them are 50° and 80°. What is the third angle (in degrees)?
  25. 25.Two angles together make a straight line. One of them is 85°. What is the other angle (in degrees)?
  26. 26.Two angles together make a straight line. One of them is 105°. What is the other angle (in degrees)?
  27. 27.A right angle is split into two angles. One of them is 35°. 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 35° and 90°. What is the third angle (in degrees)?
  30. 30.Three angles meet at a point. Two of them are 50° and 100°. What is the third angle (in degrees)?
  31. 31.Two angles of a triangle are 70° and 50°. What is the third angle (in degrees)?
  32. 32.Three angles meet at a point. Two of them are 110° and 110°. What is the third angle (in degrees)?
  33. 33.Three angles meet at a point. Two of them are 70° and 190°. What is the third angle (in degrees)?
  34. 34.Two angles of a triangle are 50° and 25°. What is the third angle (in degrees)?
  35. 35.Two angles together make a straight line. One of them is 120°. What is the other angle (in degrees)?
  36. 36.Two angles of a triangle are 60° and 75°. What is the third angle (in degrees)?
  37. 37.Three angles meet at a point. Two of them are 80° and 120°. What is the third angle (in degrees)?
  38. 38.Three angles meet at a point. Two of them are 50° and 150°. What is the third angle (in degrees)?
  39. 39.Two angles of a triangle are 95° and 65°. What is the third angle (in degrees)?
  40. 40.An angle measures 175°. What kind of angle is it? (a) Obtuse (b) Right (c) Straight

Answer key

  1. Acute
  2. 10
  3. Straight
  4. 90
  5. 30
  6. 45
  7. 40
  8. 25
  9. 85
  10. 60
  11. 50
  12. 85
  13. 65
  14. 90
  15. 120
  16. 210
  17. Right
  18. 20
  19. 180
  20. 150
  21. 70
  22. 120
  23. 150
  24. 230
  25. 95
  26. 75
  27. 55
  28. 15
  29. 55
  30. 210
  31. 60
  32. 140
  33. 100
  34. 105
  35. 60
  36. 45
  37. 160
  38. 160
  39. 20
  40. Obtuse

Free maths worksheets lessons, practice and worksheets at talentjr.in/maths-worksheets