← Angles lesson New set →

Class 5 Maths Worksheet: Angles

Maths worksheets lesson 39: Angles · Set 405 · 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.What is the smaller angle between the hands of a clock at 2 o'clock (in degrees)?
  2. 2.An angle measures 90°. What kind of angle is it? (a) Acute (b) Straight (c) Right
  3. 3.Three angles meet at a point. Two of them are 70° and 160°. What is the third angle (in degrees)?
  4. 4.An angle measures 160°. What kind of angle is it? (a) Right (b) Acute (c) Obtuse
  5. 5.Two angles together make a straight line. One of them is 140°. What is the other angle (in degrees)?
  6. 6.Two angles of a triangle are 35° and 60°. What is the third angle (in degrees)?
  7. 7.A right angle is split into two angles. One of them is 75°. What is the other angle (in degrees)?
  8. 8.Two angles of a triangle are 100° and 20°. What is the third angle (in degrees)?
  9. 9.Two angles together make a straight line. One of them is 55°. What is the other angle (in degrees)?
  10. 10.Three angles meet at a point. Two of them are 100° and 190°. What is the third angle (in degrees)?
  11. 11.Three angles meet at a point. Two of them are 60° and 140°. What is the third angle (in degrees)?
  12. 12.Two angles together make a straight line. One of them is 65°. What is the other angle (in degrees)?
  13. 13.Two angles of a triangle are 80° and 25°. What is the third angle (in degrees)?
  14. 14.What is the smaller angle between the hands of a clock at 1 o'clock (in degrees)?
  15. 15.Two angles together make a straight line. One of them is 95°. What is the other angle (in degrees)?
  16. 16.An angle measures 180°. What kind of angle is it? (a) Straight (b) Acute (c) Right
  17. 17.A right angle is split into two angles. One of them is 80°. What is the other angle (in degrees)?
  18. 18.Three angles meet at a point. Two of them are 150° and 50°. What is the third angle (in degrees)?
  19. 19.Two angles together make a straight line. One of them is 45°. What is the other angle (in degrees)?
  20. 20.Three angles meet at a point. Two of them are 50° and 80°. What is the third angle (in degrees)?
  21. 21.Two angles together make a straight line. One of them is 10°. What is the other angle (in degrees)?
  22. 22.Two angles together make a straight line. One of them is 25°. What is the other angle (in degrees)?
  23. 23.Three angles meet at a point. Two of them are 70° and 180°. What is the third angle (in degrees)?
  24. 24.Three angles meet at a point. Two of them are 50° and 140°. What is the third angle (in degrees)?
  25. 25.Two angles of a triangle are 75° and 55°. 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.Two angles together make a straight line. One of them is 35°. What is the other angle (in degrees)?
  28. 28.Two angles of a triangle are 70° and 85°. What is the third angle (in degrees)?
  29. 29.An angle measures 25°. What kind of angle is it? (a) Straight (b) Obtuse (c) Acute
  30. 30.Three angles meet at a point. Two of them are 80° and 210°. What is the third angle (in degrees)?
  31. 31.What is the smaller angle between the hands of a clock at 7 o'clock (in degrees)?
  32. 32.Two angles together make a straight line. One of them is 30°. What is the other angle (in degrees)?
  33. 33.What is the smaller angle between the hands of a clock at 11 o'clock (in degrees)?
  34. 34.Two angles of a triangle are 85° and 90°. What is the third angle (in degrees)?
  35. 35.An angle measures 170°. What kind of angle is it? (a) Acute (b) Obtuse (c) Straight
  36. 36.An angle measures 40°. What kind of angle is it? (a) Acute (b) Right (c) Obtuse
  37. 37.Two angles of a triangle are 80° and 80°. What is the third angle (in degrees)?
  38. 38.Two angles together make a straight line. One of them is 105°. What is the other angle (in degrees)?
  39. 39.Two angles together make a straight line. One of them is 150°. What is the other angle (in degrees)?
  40. 40.An angle measures 20°. What kind of angle is it? (a) Right (b) Acute (c) Obtuse

Answer key

  1. 60
  2. Right
  3. 130
  4. Obtuse
  5. 40
  6. 85
  7. 15
  8. 60
  9. 125
  10. 70
  11. 160
  12. 115
  13. 75
  14. 30
  15. 85
  16. Straight
  17. 10
  18. 160
  19. 135
  20. 230
  21. 170
  22. 155
  23. 110
  24. 170
  25. 50
  26. 120
  27. 145
  28. 25
  29. Acute
  30. 70
  31. 150
  32. 150
  33. 30
  34. 5
  35. Obtuse
  36. Acute
  37. 20
  38. 75
  39. 30
  40. Acute

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