← Angles lesson New set →

Class 5 Maths Worksheet: Angles

Maths worksheets lesson 39: Angles · Set 95 · 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 35°. What is the other angle (in degrees)?
  2. 2.A right angle is split into two angles. One of them is 50°. What is the other angle (in degrees)?
  3. 3.An angle measures 110°. What kind of angle is it? (a) Acute (b) Right (c) Obtuse
  4. 4.A right angle is split into two angles. One of them is 75°. What is the other angle (in degrees)?
  5. 5.A right angle is split into two angles. One of them is 55°. What is the other angle (in degrees)?
  6. 6.Three angles meet at a point. Two of them are 100° and 130°. What is the third angle (in degrees)?
  7. 7.Three angles meet at a point. Two of them are 140° and 140°. What is the third angle (in degrees)?
  8. 8.Two angles of a triangle are 75° and 70°. What is the third angle (in degrees)?
  9. 9.Two angles together make a straight line. One of them is 10°. What is the other angle (in degrees)?
  10. 10.What is the smaller angle between the hands of a clock at 4 o'clock (in degrees)?
  11. 11.Two angles of a triangle are 90° and 80°. What is the third angle (in degrees)?
  12. 12.Two angles together make a straight line. One of them is 125°. What is the other angle (in degrees)?
  13. 13.Three angles meet at a point. Two of them are 90° and 90°. What is the third 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.What is the smaller angle between the hands of a clock at 2 o'clock (in degrees)?
  16. 16.Two angles together make a straight line. One of them is 55°. What is the other angle (in degrees)?
  17. 17.A right angle is split into two angles. One of them is 40°. What is the other angle (in degrees)?
  18. 18.Two angles of a triangle are 60° and 35°. What is the third angle (in degrees)?
  19. 19.What is the smaller angle between the hands of a clock at 10 o'clock (in degrees)?
  20. 20.Two angles of a triangle are 25° and 35°. What is the third angle (in degrees)?
  21. 21.Two angles of a triangle are 40° and 50°. What is the third angle (in degrees)?
  22. 22.A right angle is split into two angles. One of them is 25°. What is the other angle (in degrees)?
  23. 23.Two angles of a triangle are 40° and 75°. What is the third angle (in degrees)?
  24. 24.What is the smaller angle between the hands of a clock at 9 o'clock (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.Three angles meet at a point. Two of them are 130° and 80°. What is the third angle (in degrees)?
  27. 27.A right angle is split into two angles. One of them is 10°. What is the other angle (in degrees)?
  28. 28.Two angles of a triangle are 20° and 150°. What is the third angle (in degrees)?
  29. 29.A right angle is split into two angles. One of them is 85°. What is the other angle (in degrees)?
  30. 30.Two angles together make a straight line. One of them is 140°. What is the other angle (in degrees)?
  31. 31.Three angles meet at a point. Two of them are 60° and 180°. What is the third angle (in degrees)?
  32. 32.An angle measures 105°. What kind of angle is it? (a) Acute (b) Obtuse (c) Straight
  33. 33.A right angle is split into two angles. One of them is 20°. What is the other angle (in degrees)?
  34. 34.What is the smaller angle between the hands of a clock at 6 o'clock (in degrees)?
  35. 35.A right angle is split into two angles. One of them is 65°. What is the other angle (in degrees)?
  36. 36.Three angles meet at a point. Two of them are 80° and 110°. What is the third angle (in degrees)?
  37. 37.Two angles together make a straight line. One of them is 50°. What is the other angle (in degrees)?
  38. 38.An angle measures 95°. What kind of angle is it? (a) Acute (b) Obtuse (c) Right
  39. 39.Two angles together make a straight line. One of them is 100°. What is the other angle (in degrees)?
  40. 40.An angle measures 120°. What kind of angle is it? (a) Straight (b) Obtuse (c) Acute

Answer key

  1. 55
  2. 40
  3. Obtuse
  4. 15
  5. 35
  6. 130
  7. 80
  8. 35
  9. 170
  10. 120
  11. 10
  12. 55
  13. 180
  14. 30
  15. 60
  16. 125
  17. 50
  18. 85
  19. 60
  20. 120
  21. 90
  22. 65
  23. 65
  24. 90
  25. 100
  26. 150
  27. 80
  28. 10
  29. 5
  30. 40
  31. 120
  32. Obtuse
  33. 70
  34. 180
  35. 25
  36. 170
  37. 130
  38. Obtuse
  39. 80
  40. Obtuse

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