← Angles lesson New set →

Class 5 Maths Worksheet: Angles

Maths worksheets lesson 39: Angles · Set 736 · 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.What is the smaller angle between the hands of a clock at 1 o'clock (in degrees)?
  2. 2.A right angle is split into two angles. One of them is 85°. What is the other angle (in degrees)?
  3. 3.Two angles together make a straight line. One of them is 100°. 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.A right angle is split into two angles. One of them is 60°. What is the other angle (in degrees)?
  6. 6.An angle measures 90°. What kind of angle is it? (a) Right (b) Straight (c) Acute
  7. 7.An angle measures 180°. What kind of angle is it? (a) Acute (b) Straight (c) Right
  8. 8.What is the smaller angle between the hands of a clock at 2 o'clock (in degrees)?
  9. 9.Three angles meet at a point. Two of them are 120° and 70°. What is the third angle (in degrees)?
  10. 10.Two angles of a triangle are 85° and 80°. What is the third angle (in degrees)?
  11. 11.Three angles meet at a point. Two of them are 60° and 200°. What is the third angle (in degrees)?
  12. 12.Two angles of a triangle are 20° and 20°. What is the third angle (in degrees)?
  13. 13.A right angle is split into two angles. One of them is 65°. What is the other angle (in degrees)?
  14. 14.An angle measures 55°. What kind of angle is it? (a) Right (b) Acute (c) Straight
  15. 15.Two angles of a triangle are 35° and 135°. What is the third angle (in degrees)?
  16. 16.Three angles meet at a point. Two of them are 130° and 80°. What is the third angle (in degrees)?
  17. 17.An angle measures 65°. What kind of angle is it? (a) Obtuse (b) Right (c) Acute
  18. 18.Two angles together make a straight line. One of them is 50°. What is the other angle (in degrees)?
  19. 19.A right angle is split into two angles. One of them is 45°. What is the other angle (in degrees)?
  20. 20.An angle measures 45°. What kind of angle is it? (a) Acute (b) Right (c) Obtuse
  21. 21.Three angles meet at a point. Two of them are 60° and 150°. What is the third angle (in degrees)?
  22. 22.Two angles together make a straight line. One of them is 75°. What is the other angle (in degrees)?
  23. 23.What is the smaller angle between the hands of a clock at 11 o'clock (in degrees)?
  24. 24.Three angles meet at a point. Two of them are 50° and 110°. What is the third angle (in degrees)?
  25. 25.A right angle is split into two angles. One of them is 75°. What is the other angle (in degrees)?
  26. 26.Two angles together make a straight line. One of them is 20°. What is the other angle (in degrees)?
  27. 27.An angle measures 105°. What kind of angle is it? (a) Acute (b) Straight (c) Obtuse
  28. 28.Two angles together make a straight line. One of them is 130°. What is the other angle (in degrees)?
  29. 29.An angle measures 145°. What kind of angle is it? (a) Straight (b) Acute (c) Obtuse
  30. 30.A right angle is split into two angles. One of them is 70°. What is the other angle (in degrees)?
  31. 31.Three angles meet at a point. Two of them are 70° and 150°. What is the third angle (in degrees)?
  32. 32.An angle measures 75°. What kind of angle is it? (a) Acute (b) Straight (c) Obtuse
  33. 33.Three angles meet at a point. Two of them are 50° and 60°. What is the third angle (in degrees)?
  34. 34.Three angles meet at a point. Two of them are 80° and 180°. What is the third angle (in degrees)?
  35. 35.Three angles meet at a point. Two of them are 150° and 70°. What is the third angle (in degrees)?
  36. 36.Two angles together make a straight line. One of them is 120°. What is the other angle (in degrees)?
  37. 37.What is the smaller angle between the hands of a clock at 10 o'clock (in degrees)?
  38. 38.An angle measures 140°. What kind of angle is it? (a) Acute (b) Right (c) Obtuse
  39. 39.What is the smaller angle between the hands of a clock at 5 o'clock (in degrees)?
  40. 40.Two angles of a triangle are 90° and 60°. What is the third angle (in degrees)?

Answer key

  1. 30
  2. 5
  3. 80
  4. 30
  5. 30
  6. Right
  7. Straight
  8. 60
  9. 170
  10. 15
  11. 100
  12. 140
  13. 25
  14. Acute
  15. 10
  16. 150
  17. Acute
  18. 130
  19. 45
  20. Acute
  21. 150
  22. 105
  23. 30
  24. 200
  25. 15
  26. 160
  27. Obtuse
  28. 50
  29. Obtuse
  30. 20
  31. 140
  32. Acute
  33. 250
  34. 100
  35. 140
  36. 60
  37. 60
  38. Obtuse
  39. 150
  40. 30

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