← Angles lesson New set →

Class 5 Maths Worksheet: Angles

Maths worksheets lesson 39: Angles · Set 814 · 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 4 o'clock (in degrees)?
  2. 2.Two angles of a triangle are 20° and 70°. What is the third angle (in degrees)?
  3. 3.Three angles meet at a point. Two of them are 140° and 80°. What is the third angle (in degrees)?
  4. 4.What is the smaller angle between the hands of a clock at 5 o'clock (in degrees)?
  5. 5.A right angle is split into two angles. One of them is 5°. What is the other angle (in degrees)?
  6. 6.Two angles of a triangle are 45° and 105°. What is the third angle (in degrees)?
  7. 7.Three angles meet at a point. Two of them are 70° and 200°. What is the third angle (in degrees)?
  8. 8.Two angles of a triangle are 45° and 50°. What is the third angle (in degrees)?
  9. 9.A right angle is split into two angles. One of them is 30°. What is the other angle (in degrees)?
  10. 10.An angle measures 90°. What kind of angle is it? (a) Right (b) Obtuse (c) Straight
  11. 11.An angle measures 180°. What kind of angle is it? (a) Obtuse (b) Straight (c) Acute
  12. 12.Two angles of a triangle are 100° and 50°. What is the third angle (in degrees)?
  13. 13.Three angles meet at a point. Two of them are 80° and 50°. What is the third 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 6 o'clock (in degrees)?
  16. 16.Two angles of a triangle are 65° and 45°. What is the third angle (in degrees)?
  17. 17.A right angle is split into two angles. One of them is 15°. What is the other angle (in degrees)?
  18. 18.Two angles together make a straight line. One of them is 115°. What is the other angle (in degrees)?
  19. 19.Two angles of a triangle are 85° and 20°. What is the third angle (in degrees)?
  20. 20.A right angle is split into two angles. One of them is 75°. What is the other angle (in degrees)?
  21. 21.Two angles of a triangle are 85° and 40°. What is the third angle (in degrees)?
  22. 22.Two angles of a triangle are 95° and 50°. What is the third angle (in degrees)?
  23. 23.A right angle is split into two angles. One of them is 55°. What is the other angle (in degrees)?
  24. 24.Two angles of a triangle are 55° and 110°. What is the third angle (in degrees)?
  25. 25.Three angles meet at a point. Two of them are 130° and 100°. What is the third angle (in degrees)?
  26. 26.A right angle is split into two angles. One of them is 50°. What is the other angle (in degrees)?
  27. 27.Three angles meet at a point. Two of them are 150° and 50°. What is the third angle (in degrees)?
  28. 28.An angle measures 85°. What kind of angle is it? (a) Right (b) Obtuse (c) Acute
  29. 29.Two angles of a triangle are 80° and 25°. What is the third angle (in degrees)?
  30. 30.What is the smaller angle between the hands of a clock at 8 o'clock (in degrees)?
  31. 31.Three angles meet at a point. Two of them are 70° and 70°. What is the third angle (in degrees)?
  32. 32.A right angle is split into two angles. One of them is 40°. What is the other angle (in degrees)?
  33. 33.Three angles meet at a point. Two of them are 50° and 50°. What is the third angle (in degrees)?
  34. 34.An angle measures 80°. What kind of angle is it? (a) Obtuse (b) Right (c) Acute
  35. 35.An angle measures 150°. What kind of angle is it? (a) Right (b) Obtuse (c) Acute
  36. 36.Three angles meet at a point. Two of them are 60° and 210°. What is the third angle (in degrees)?
  37. 37.A right angle is split into two angles. One of them is 80°. What is the other angle (in degrees)?
  38. 38.Two angles together make a straight line. One of them is 150°. What is the other angle (in degrees)?
  39. 39.A right angle is split into two angles. One of them is 45°. What is the other angle (in degrees)?
  40. 40.Two angles together make a straight line. One of them is 95°. What is the other angle (in degrees)?

Answer key

  1. 120
  2. 90
  3. 140
  4. 150
  5. 85
  6. 30
  7. 90
  8. 85
  9. 60
  10. Right
  11. Straight
  12. 30
  13. 230
  14. 90
  15. 180
  16. 70
  17. 75
  18. 65
  19. 75
  20. 15
  21. 55
  22. 35
  23. 35
  24. 15
  25. 130
  26. 40
  27. 160
  28. Acute
  29. 75
  30. 120
  31. 220
  32. 50
  33. 260
  34. Acute
  35. Obtuse
  36. 90
  37. 10
  38. 30
  39. 45
  40. 85

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