← Angles lesson New set →

Class 5 Maths Worksheet: Angles

Maths worksheets lesson 39: Angles · Set 711 · 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.Three angles meet at a point. Two of them are 50° and 120°. What is the third angle (in degrees)?
  2. 2.Two angles of a triangle are 40° and 35°. What is the third angle (in degrees)?
  3. 3.Two angles together make a straight line. One of them is 120°. What is the other angle (in degrees)?
  4. 4.Two angles together make a straight line. One of them is 150°. What is the other angle (in degrees)?
  5. 5.Two angles of a triangle are 70° and 35°. What is the third angle (in degrees)?
  6. 6.Two angles of a triangle are 35° and 125°. What is the third angle (in degrees)?
  7. 7.What is the smaller angle between the hands of a clock at 2 o'clock (in degrees)?
  8. 8.Three angles meet at a point. Two of them are 50° and 250°. What is the third angle (in degrees)?
  9. 9.Three angles meet at a point. Two of them are 50° and 70°. What is the third angle (in degrees)?
  10. 10.A right angle is split into two angles. One of them is 5°. What is the other angle (in degrees)?
  11. 11.What is the smaller angle between the hands of a clock at 7 o'clock (in degrees)?
  12. 12.Three angles meet at a point. Two of them are 150° and 120°. What is the third angle (in degrees)?
  13. 13.An angle measures 90°. What kind of angle is it? (a) Acute (b) Obtuse (c) Right
  14. 14.A right angle is split into two angles. One of them is 50°. What is the other angle (in degrees)?
  15. 15.A right angle is split into two angles. One of them is 15°. What is the other angle (in degrees)?
  16. 16.Three angles meet at a point. Two of them are 70° and 190°. What is the third angle (in degrees)?
  17. 17.Two angles of a triangle are 50° and 105°. What is the third angle (in degrees)?
  18. 18.Three angles meet at a point. Two of them are 130° and 160°. What is the third angle (in degrees)?
  19. 19.What is the smaller angle between the hands of a clock at 4 o'clock (in degrees)?
  20. 20.Two angles together make a straight line. One of them is 135°. What is the other angle (in degrees)?
  21. 21.Three angles meet at a point. Two of them are 50° and 160°. What is the third angle (in degrees)?
  22. 22.A right angle is split into two angles. One of them is 60°. What is the other angle (in degrees)?
  23. 23.Three angles meet at a point. Two of them are 120° and 180°. What is the third angle (in degrees)?
  24. 24.Two angles together make a straight line. One of them is 35°. What is the other angle (in degrees)?
  25. 25.Three angles meet at a point. Two of them are 150° and 60°. What is the third angle (in degrees)?
  26. 26.A right angle is split into two angles. One of them is 25°. What is the other angle (in degrees)?
  27. 27.Three angles meet at a point. Two of them are 140° and 60°. What is the third angle (in degrees)?
  28. 28.An angle measures 40°. What kind of angle is it? (a) Right (b) Acute (c) Obtuse
  29. 29.Two angles together make a straight line. One of them is 30°. What is the other angle (in degrees)?
  30. 30.Three angles meet at a point. Two of them are 90° and 170°. What is the third angle (in degrees)?
  31. 31.A right angle is split into two angles. One of them is 70°. What is the other angle (in degrees)?
  32. 32.A right angle is split into two angles. One of them is 35°. What is the other angle (in degrees)?
  33. 33.A right angle is split into two angles. One of them is 45°. What is the other angle (in degrees)?
  34. 34.An angle measures 180°. What kind of angle is it? (a) Straight (b) Acute (c) Obtuse
  35. 35.Two angles of a triangle are 40° and 30°. What is the third angle (in degrees)?
  36. 36.Two angles together make a straight line. One of them is 95°. What is the other angle (in degrees)?
  37. 37.Three angles meet at a point. Two of them are 50° and 60°. What is the third angle (in degrees)?
  38. 38.An angle measures 120°. What kind of angle is it? (a) Acute (b) Obtuse (c) Straight
  39. 39.What is the smaller angle between the hands of a clock at 10 o'clock (in degrees)?
  40. 40.Two angles of a triangle are 25° and 40°. What is the third angle (in degrees)?

Answer key

  1. 190
  2. 105
  3. 60
  4. 30
  5. 75
  6. 20
  7. 60
  8. 60
  9. 240
  10. 85
  11. 150
  12. 90
  13. Right
  14. 40
  15. 75
  16. 100
  17. 25
  18. 70
  19. 120
  20. 45
  21. 150
  22. 30
  23. 60
  24. 145
  25. 150
  26. 65
  27. 160
  28. Acute
  29. 150
  30. 100
  31. 20
  32. 55
  33. 45
  34. Straight
  35. 110
  36. 85
  37. 250
  38. Obtuse
  39. 60
  40. 115

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