← Angles lesson New set →

Class 5 Maths Worksheet: Angles

Maths worksheets lesson 39: Angles · Set 630 · 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 60°. What is the third angle (in degrees)?
  3. 3.An angle measures 30°. What kind of angle is it? (a) Right (b) Obtuse (c) Acute
  4. 4.A right angle is split into two angles. One of them is 35°. What is the other angle (in degrees)?
  5. 5.An angle measures 90°. What kind of angle is it? (a) Right (b) Acute (c) Straight
  6. 6.Two angles of a triangle are 45° and 110°. What is the third angle (in degrees)?
  7. 7.An angle measures 180°. What kind of angle is it? (a) Right (b) Straight (c) Acute
  8. 8.An angle measures 170°. What kind of angle is it? (a) Acute (b) Straight (c) Obtuse
  9. 9.What is the smaller angle between the hands of a clock at 3 o'clock (in degrees)?
  10. 10.A right angle is split into two angles. One of them is 75°. What is the other angle (in degrees)?
  11. 11.An angle measures 35°. What kind of angle is it? (a) Acute (b) Right (c) Straight
  12. 12.An angle measures 110°. What kind of angle is it? (a) Acute (b) Straight (c) Obtuse
  13. 13.A right angle is split into two angles. One of them is 60°. What is the other angle (in degrees)?
  14. 14.What is the smaller angle between the hands of a clock at 2 o'clock (in degrees)?
  15. 15.Two angles together make a straight line. One of them is 65°. What is the other angle (in degrees)?
  16. 16.An angle measures 75°. What kind of angle is it? (a) Acute (b) Obtuse (c) Right
  17. 17.What is the smaller angle between the hands of a clock at 10 o'clock (in degrees)?
  18. 18.Two angles together make a straight line. One of them is 60°. What is the other angle (in degrees)?
  19. 19.Two angles of a triangle are 60° and 45°. What is the third angle (in degrees)?
  20. 20.A right angle is split into two angles. One of them is 25°. What is the other angle (in degrees)?
  21. 21.What is the smaller angle between the hands of a clock at 7 o'clock (in degrees)?
  22. 22.Three angles meet at a point. Two of them are 50° and 220°. What is the third angle (in degrees)?
  23. 23.Two angles together make a straight line. One of them is 50°. What is the other angle (in degrees)?
  24. 24.Two angles of a triangle are 25° and 80°. What is the third angle (in degrees)?
  25. 25.Two angles of a triangle are 85° and 75°. What is the third angle (in degrees)?
  26. 26.Three angles meet at a point. Two of them are 90° and 200°. What is the third angle (in degrees)?
  27. 27.Three angles meet at a point. Two of them are 120° and 80°. What is the third angle (in degrees)?
  28. 28.A right angle is split into two angles. One of them is 40°. What is the other angle (in degrees)?
  29. 29.Two angles together make a straight line. One of them is 15°. What is the other angle (in degrees)?
  30. 30.An angle measures 15°. What kind of angle is it? (a) Acute (b) Right (c) Obtuse
  31. 31.Two angles together make a straight line. One of them is 115°. What is the other angle (in degrees)?
  32. 32.Two angles together make a straight line. One of them is 105°. What is the other angle (in degrees)?
  33. 33.Two angles of a triangle are 30° and 80°. What is the third angle (in degrees)?
  34. 34.Three angles meet at a point. Two of them are 90° and 50°. What is the third angle (in degrees)?
  35. 35.Two angles together make a straight line. One of them is 150°. What is the other angle (in degrees)?
  36. 36.Two angles of a triangle are 75° and 100°. What is the third angle (in degrees)?
  37. 37.Two angles of a triangle are 50° and 70°. What is the third angle (in degrees)?
  38. 38.Two angles together make a straight line. One of them is 130°. What is the other angle (in degrees)?
  39. 39.A right angle is split into two angles. One of them is 80°. What is the other angle (in degrees)?
  40. 40.A right angle is split into two angles. One of them is 50°. What is the other angle (in degrees)?

Answer key

  1. 180
  2. 220
  3. Acute
  4. 55
  5. Right
  6. 25
  7. Straight
  8. Obtuse
  9. 90
  10. 15
  11. Acute
  12. Obtuse
  13. 30
  14. 60
  15. 115
  16. Acute
  17. 60
  18. 120
  19. 75
  20. 65
  21. 150
  22. 90
  23. 130
  24. 75
  25. 20
  26. 70
  27. 160
  28. 50
  29. 165
  30. Acute
  31. 65
  32. 75
  33. 70
  34. 220
  35. 30
  36. 5
  37. 60
  38. 50
  39. 10
  40. 40

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