← Angles lesson New set →

Class 5 Maths Worksheet: Angles

Maths worksheets lesson 39: Angles · Set 137 · 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 6 o'clock (in degrees)?
  2. 2.Three angles meet at a point. Two of them are 80° and 70°. What is the third angle (in degrees)?
  3. 3.An angle measures 90°. What kind of angle is it? (a) Right (b) Straight (c) Obtuse
  4. 4.An angle measures 115°. What kind of angle is it? (a) Straight (b) Acute (c) Obtuse
  5. 5.Three angles meet at a point. Two of them are 120° and 60°. What is the third angle (in degrees)?
  6. 6.Two angles of a triangle are 60° and 80°. What is the third angle (in degrees)?
  7. 7.Two angles together make a straight line. One of them is 45°. What is the other angle (in degrees)?
  8. 8.Three angles meet at a point. Two of them are 130° and 160°. What is the third angle (in degrees)?
  9. 9.An angle measures 170°. What kind of angle is it? (a) Straight (b) Acute (c) Obtuse
  10. 10.Two angles together make a straight line. One of them is 60°. What is the other angle (in degrees)?
  11. 11.An angle measures 20°. What kind of angle is it? (a) Obtuse (b) Right (c) Acute
  12. 12.A right angle is split into two angles. One of them is 30°. What is the other angle (in degrees)?
  13. 13.A right angle is split into two angles. One of them is 60°. What is the other angle (in degrees)?
  14. 14.Two angles of a triangle are 75° and 95°. What is the third angle (in degrees)?
  15. 15.An angle measures 105°. What kind of angle is it? (a) Right (b) Acute (c) Obtuse
  16. 16.What is the smaller angle between the hands of a clock at 11 o'clock (in degrees)?
  17. 17.What is the smaller angle between the hands of a clock at 8 o'clock (in degrees)?
  18. 18.Two angles together make a straight line. One of them is 20°. What is the other angle (in degrees)?
  19. 19.Two angles of a triangle are 85° and 25°. What is the third angle (in degrees)?
  20. 20.Two angles of a triangle are 100° and 50°. What is the third angle (in degrees)?
  21. 21.An angle measures 125°. What kind of angle is it? (a) Acute (b) Right (c) Obtuse
  22. 22.Three angles meet at a point. Two of them are 140° and 140°. What is the third angle (in degrees)?
  23. 23.Two angles of a triangle are 50° and 70°. What is the third angle (in degrees)?
  24. 24.Three angles meet at a point. Two of them are 80° and 220°. What is the third angle (in degrees)?
  25. 25.A right angle is split into two angles. One of them is 5°. What is the other angle (in degrees)?
  26. 26.Two angles together make a straight line. One of them is 85°. 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.Three angles meet at a point. Two of them are 70° and 100°. What is the third angle (in degrees)?
  29. 29.Two angles together make a straight line. One of them is 40°. What is the other angle (in degrees)?
  30. 30.Two angles of a triangle are 20° and 60°. What is the third angle (in degrees)?
  31. 31.What is the smaller angle between the hands of a clock at 1 o'clock (in degrees)?
  32. 32.Three angles meet at a point. Two of them are 100° and 190°. What is the third angle (in degrees)?
  33. 33.An angle measures 155°. What kind of angle is it? (a) Acute (b) Obtuse (c) Right
  34. 34.A right angle is split into two angles. One of them is 20°. What is the other angle (in degrees)?
  35. 35.An angle measures 180°. What kind of angle is it? (a) Straight (b) Obtuse (c) Acute
  36. 36.Two angles together make a straight line. One of them is 10°. What is the other angle (in degrees)?
  37. 37.Three angles meet at a point. Two of them are 150° and 100°. What is the third angle (in degrees)?
  38. 38.Three angles meet at a point. Two of them are 50° and 240°. What is the third angle (in degrees)?
  39. 39.Two angles together make a straight line. One of them is 80°. What is the other angle (in degrees)?
  40. 40.An angle measures 110°. What kind of angle is it? (a) Right (b) Obtuse (c) Acute

Answer key

  1. 180
  2. 210
  3. Right
  4. Obtuse
  5. 180
  6. 40
  7. 135
  8. 70
  9. Obtuse
  10. 120
  11. Acute
  12. 60
  13. 30
  14. 10
  15. Obtuse
  16. 30
  17. 120
  18. 160
  19. 70
  20. 30
  21. Obtuse
  22. 80
  23. 60
  24. 60
  25. 85
  26. 95
  27. 60
  28. 190
  29. 140
  30. 100
  31. 30
  32. 70
  33. Obtuse
  34. 70
  35. Straight
  36. 170
  37. 110
  38. 70
  39. 100
  40. Obtuse

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