← Angles lesson New set →

Class 5 Maths Worksheet: Angles

Maths worksheets lesson 39: Angles · Set 427 · 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.A right angle is split into two angles. One of them is 55°. What is the other angle (in degrees)?
  2. 2.An angle measures 180°. What kind of angle is it? (a) Acute (b) Straight (c) Right
  3. 3.Two angles of a triangle are 85° and 35°. What is the third angle (in degrees)?
  4. 4.Two angles of a triangle are 25° and 60°. What is the third angle (in degrees)?
  5. 5.What is the smaller angle between the hands of a clock at 10 o'clock (in degrees)?
  6. 6.Two angles of a triangle are 55° and 55°. What is the third angle (in degrees)?
  7. 7.Two angles together make a straight line. One of them is 155°. What is the other angle (in degrees)?
  8. 8.An angle measures 90°. What kind of angle is it? (a) Acute (b) Straight (c) Right
  9. 9.What is the smaller angle between the hands of a clock at 4 o'clock (in degrees)?
  10. 10.Two angles of a triangle are 60° and 30°. What is the third angle (in degrees)?
  11. 11.Two angles together make a straight line. One of them is 115°. What is the other angle (in degrees)?
  12. 12.Two angles together make a straight line. One of them is 35°. What is the other angle (in degrees)?
  13. 13.Two angles together make a straight line. One of them is 45°. What is the other angle (in degrees)?
  14. 14.Two angles together make a straight line. One of them is 150°. What is the other angle (in degrees)?
  15. 15.Two angles of a triangle are 40° and 85°. What is the third angle (in degrees)?
  16. 16.Two angles together make a straight line. One of them is 15°. What is the other angle (in degrees)?
  17. 17.An angle measures 105°. What kind of angle is it? (a) Obtuse (b) Acute (c) Right
  18. 18.Two angles together make a straight line. One of them is 135°. What is the other angle (in degrees)?
  19. 19.Two angles together make a straight line. One of them is 40°. What is the other angle (in degrees)?
  20. 20.Three angles meet at a point. Two of them are 60° and 210°. What is the third angle (in degrees)?
  21. 21.A right angle is split into two angles. One of them is 40°. What is the other angle (in degrees)?
  22. 22.A right angle is split into two angles. One of them is 35°. What is the other angle (in degrees)?
  23. 23.A right angle is split into two angles. One of them is 50°. What is the other angle (in degrees)?
  24. 24.What is the smaller angle between the hands of a clock at 1 o'clock (in degrees)?
  25. 25.Three angles meet at a point. Two of them are 60° and 230°. What is the third angle (in degrees)?
  26. 26.Two angles together make a straight line. One of them is 125°. What is the other angle (in degrees)?
  27. 27.Three angles meet at a point. Two of them are 70° and 220°. What is the third angle (in degrees)?
  28. 28.Three angles meet at a point. Two of them are 140° and 150°. What is the third angle (in degrees)?
  29. 29.An angle measures 75°. What kind of angle is it? (a) Acute (b) Right (c) Straight
  30. 30.A right angle is split into two angles. One of them is 15°. What is the other angle (in degrees)?
  31. 31.Two angles of a triangle are 70° and 65°. What is the third angle (in degrees)?
  32. 32.Two angles of a triangle are 50° and 125°. What is the third angle (in degrees)?
  33. 33.What is the smaller angle between the hands of a clock at 8 o'clock (in degrees)?
  34. 34.An angle measures 40°. What kind of angle is it? (a) Obtuse (b) Acute (c) Straight
  35. 35.Three angles meet at a point. Two of them are 70° and 100°. What is the third angle (in degrees)?
  36. 36.Three angles meet at a point. Two of them are 130° and 140°. What is the third angle (in degrees)?
  37. 37.Two angles of a triangle are 40° and 100°. What is the third angle (in degrees)?
  38. 38.Two angles of a triangle are 20° and 125°. What is the third angle (in degrees)?
  39. 39.Three angles meet at a point. Two of them are 80° and 100°. What is the third angle (in degrees)?
  40. 40.An angle measures 20°. What kind of angle is it? (a) Acute (b) Right (c) Obtuse

Answer key

  1. 35
  2. Straight
  3. 60
  4. 95
  5. 60
  6. 70
  7. 25
  8. Right
  9. 120
  10. 90
  11. 65
  12. 145
  13. 135
  14. 30
  15. 55
  16. 165
  17. Obtuse
  18. 45
  19. 140
  20. 90
  21. 50
  22. 55
  23. 40
  24. 30
  25. 70
  26. 55
  27. 70
  28. 70
  29. Acute
  30. 75
  31. 45
  32. 5
  33. 120
  34. Acute
  35. 190
  36. 90
  37. 40
  38. 35
  39. 180
  40. Acute

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