← Angles lesson New set →

Class 5 Maths Worksheet: Angles

Maths worksheets lesson 39: Angles · Set 331 · 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 15°. What is the other angle (in degrees)?
  2. 2.A right angle is split into two angles. One of them is 65°. What is the other angle (in degrees)?
  3. 3.What is the smaller angle between the hands of a clock at 5 o'clock (in degrees)?
  4. 4.A right angle is split into two angles. One of them is 40°. What is the other angle (in degrees)?
  5. 5.Three angles meet at a point. Two of them are 70° and 120°. What is the third angle (in degrees)?
  6. 6.Three angles meet at a point. Two of them are 150° and 120°. What is the third angle (in degrees)?
  7. 7.Two angles of a triangle are 40° and 120°. What is the third angle (in degrees)?
  8. 8.Three angles meet at a point. Two of them are 100° and 110°. What is the third angle (in degrees)?
  9. 9.An angle measures 85°. What kind of angle is it? (a) Acute (b) Obtuse (c) Straight
  10. 10.Two angles together make a straight line. One of them is 165°. What is the other angle (in degrees)?
  11. 11.What is the smaller angle between the hands of a clock at 11 o'clock (in degrees)?
  12. 12.Two angles of a triangle are 85° and 30°. What is the third angle (in degrees)?
  13. 13.Three angles meet at a point. Two of them are 120° and 100°. What is the third angle (in degrees)?
  14. 14.Three angles meet at a point. Two of them are 120° and 180°. What is the third angle (in degrees)?
  15. 15.Three angles meet at a point. Two of them are 70° and 230°. What is the third angle (in degrees)?
  16. 16.What is the smaller angle between the hands of a clock at 9 o'clock (in degrees)?
  17. 17.An angle measures 180°. What kind of angle is it? (a) Right (b) Straight (c) Acute
  18. 18.Two angles together make a straight line. One of them is 125°. What is the other angle (in degrees)?
  19. 19.A right angle is split into two angles. One of them is 10°. What is the other angle (in degrees)?
  20. 20.Two angles together make a straight line. One of them is 30°. What is the other angle (in degrees)?
  21. 21.Two angles of a triangle are 50° and 35°. What is the third angle (in degrees)?
  22. 22.A right angle is split into two angles. One of them is 5°. What is the other angle (in degrees)?
  23. 23.An angle measures 90°. What kind of angle is it? (a) Obtuse (b) Acute (c) Right
  24. 24.Two angles of a triangle are 80° and 35°. What is the third angle (in degrees)?
  25. 25.Two angles together make a straight line. One of them is 80°. What is the other angle (in degrees)?
  26. 26.What is the smaller angle between the hands of a clock at 10 o'clock (in degrees)?
  27. 27.An angle measures 95°. What kind of angle is it? (a) Right (b) Straight (c) Obtuse
  28. 28.Two angles of a triangle are 55° and 90°. What is the third angle (in degrees)?
  29. 29.Two angles together make a straight line. One of them is 85°. What is the other angle (in degrees)?
  30. 30.A right angle is split into two angles. One of them is 30°. What is the other angle (in degrees)?
  31. 31.A right angle is split into two angles. One of them is 60°. What is the other angle (in degrees)?
  32. 32.An angle measures 165°. What kind of angle is it? (a) Acute (b) Right (c) Obtuse
  33. 33.An angle measures 145°. What kind of angle is it? (a) Right (b) Obtuse (c) Acute
  34. 34.Two angles together make a straight line. One of them is 40°. What is the other angle (in degrees)?
  35. 35.What is the smaller angle between the hands of a clock at 2 o'clock (in degrees)?
  36. 36.A right angle is split into two angles. One of them is 35°. What is the other angle (in degrees)?
  37. 37.A right angle is split into two angles. One of them is 25°. What is the other angle (in degrees)?
  38. 38.Three angles meet at a point. Two of them are 50° and 100°. What is the third angle (in degrees)?
  39. 39.Two angles of a triangle are 45° and 50°. What is the third angle (in degrees)?
  40. 40.Two angles of a triangle are 60° and 110°. What is the third angle (in degrees)?

Answer key

  1. 75
  2. 25
  3. 150
  4. 50
  5. 170
  6. 90
  7. 20
  8. 150
  9. Acute
  10. 15
  11. 30
  12. 65
  13. 140
  14. 60
  15. 60
  16. 90
  17. Straight
  18. 55
  19. 80
  20. 150
  21. 95
  22. 85
  23. Right
  24. 65
  25. 100
  26. 60
  27. Obtuse
  28. 35
  29. 95
  30. 60
  31. 30
  32. Obtuse
  33. Obtuse
  34. 140
  35. 60
  36. 55
  37. 65
  38. 210
  39. 85
  40. 10

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