← Angles lesson New set →

Class 5 Maths Worksheet: Angles

Maths worksheets lesson 39: Angles · Set 313 · 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 40°. What is the other angle (in degrees)?
  2. 2.A right angle is split into two angles. One of them is 80°. What is the other angle (in degrees)?
  3. 3.A right angle is split into two angles. One of them is 65°. What is the other angle (in degrees)?
  4. 4.What is the smaller angle between the hands of a clock at 11 o'clock (in degrees)?
  5. 5.Two angles together make a straight line. One of them is 20°. What is the other angle (in degrees)?
  6. 6.Three angles meet at a point. Two of them are 90° and 200°. What is the third angle (in degrees)?
  7. 7.A right angle is split into two angles. One of them is 10°. What is the other angle (in degrees)?
  8. 8.A right angle is split into two angles. One of them is 45°. What is the other angle (in degrees)?
  9. 9.Two angles together make a straight line. One of them is 105°. What is the other angle (in degrees)?
  10. 10.A right angle is split into two angles. One of them is 35°. What is the other angle (in degrees)?
  11. 11.Two angles of a triangle are 100° and 75°. What is the third angle (in degrees)?
  12. 12.An angle measures 90°. What kind of angle is it? (a) Straight (b) Acute (c) Right
  13. 13.Three angles meet at a point. Two of them are 70° and 180°. What is the third angle (in degrees)?
  14. 14.Three angles meet at a point. Two of them are 50° and 100°. What is the third angle (in degrees)?
  15. 15.Two angles together make a straight line. One of them is 165°. What is the other angle (in degrees)?
  16. 16.Two angles together make a straight line. One of them is 25°. What is the other angle (in degrees)?
  17. 17.A right angle is split into two angles. One of them is 55°. What is the other angle (in degrees)?
  18. 18.A right angle is split into two angles. One of them is 85°. What is the other angle (in degrees)?
  19. 19.Three angles meet at a point. Two of them are 80° and 180°. What is the third angle (in degrees)?
  20. 20.Three angles meet at a point. Two of them are 150° and 80°. What is the third angle (in degrees)?
  21. 21.An angle measures 175°. What kind of angle is it? (a) Right (b) Straight (c) Obtuse
  22. 22.An angle measures 140°. What kind of angle is it? (a) Right (b) Straight (c) Obtuse
  23. 23.Two angles of a triangle are 35° and 70°. What is the third angle (in degrees)?
  24. 24.Three angles meet at a point. Two of them are 110° and 150°. What is the third angle (in degrees)?
  25. 25.What is the smaller angle between the hands of a clock at 2 o'clock (in degrees)?
  26. 26.A right angle is split into two angles. One of them is 30°. What is the other angle (in degrees)?
  27. 27.An angle measures 105°. What kind of angle is it? (a) Straight (b) Obtuse (c) Right
  28. 28.A right angle is split into two angles. One of them is 60°. What is the other angle (in degrees)?
  29. 29.Two angles of a triangle are 75° and 85°. What is the third angle (in degrees)?
  30. 30.Two angles together make a straight line. One of them is 115°. What is the other angle (in degrees)?
  31. 31.Two angles together make a straight line. One of them is 45°. What is the other angle (in degrees)?
  32. 32.Three angles meet at a point. Two of them are 50° and 90°. What is the third angle (in degrees)?
  33. 33.What is the smaller angle between the hands of a clock at 3 o'clock (in degrees)?
  34. 34.An angle measures 95°. What kind of angle is it? (a) Acute (b) Obtuse (c) Right
  35. 35.Three angles meet at a point. Two of them are 100° and 190°. What is the third angle (in degrees)?
  36. 36.An angle measures 180°. What kind of angle is it? (a) Acute (b) Obtuse (c) Straight
  37. 37.Three angles meet at a point. Two of them are 120° and 140°. What is the third angle (in degrees)?
  38. 38.Two angles together make a straight line. One of them is 55°. What is the other angle (in degrees)?
  39. 39.A right angle is split into two angles. One of them is 75°. What is the other angle (in degrees)?
  40. 40.What is the smaller angle between the hands of a clock at 1 o'clock (in degrees)?

Answer key

  1. 50
  2. 10
  3. 25
  4. 30
  5. 160
  6. 70
  7. 80
  8. 45
  9. 75
  10. 55
  11. 5
  12. Right
  13. 110
  14. 210
  15. 15
  16. 155
  17. 35
  18. 5
  19. 100
  20. 130
  21. Obtuse
  22. Obtuse
  23. 75
  24. 100
  25. 60
  26. 60
  27. Obtuse
  28. 30
  29. 20
  30. 65
  31. 135
  32. 220
  33. 90
  34. Obtuse
  35. 70
  36. Straight
  37. 100
  38. 125
  39. 15
  40. 30

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