← Angles lesson New set →

Class 5 Maths Worksheet: Angles

Maths worksheets lesson 39: Angles · Set 653 · 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.Two angles together make a straight line. One of them is 55°. What is the other angle (in degrees)?
  2. 2.An angle measures 90°. What kind of angle is it? (a) Acute (b) Obtuse (c) Right
  3. 3.An angle measures 180°. What kind of angle is it? (a) Right (b) Acute (c) Straight
  4. 4.A right angle is split into two angles. One of them is 5°. What is the other angle (in degrees)?
  5. 5.What is the smaller angle between the hands of a clock at 1 o'clock (in degrees)?
  6. 6.An angle measures 155°. What kind of angle is it? (a) Straight (b) Obtuse (c) Acute
  7. 7.What is the smaller angle between the hands of a clock at 9 o'clock (in degrees)?
  8. 8.Two angles of a triangle are 100° and 75°. What is the third angle (in degrees)?
  9. 9.What is the smaller angle between the hands of a clock at 6 o'clock (in degrees)?
  10. 10.An angle measures 75°. What kind of angle is it? (a) Acute (b) Straight (c) Right
  11. 11.Three angles meet at a point. Two of them are 70° and 180°. What is the third angle (in degrees)?
  12. 12.Two angles together make a straight line. One of them is 100°. What is the other angle (in degrees)?
  13. 13.A right angle is split into two angles. One of them is 40°. What is the other angle (in degrees)?
  14. 14.What is the smaller angle between the hands of a clock at 8 o'clock (in degrees)?
  15. 15.A right angle is split into two angles. One of them is 75°. What is the other angle (in degrees)?
  16. 16.A right angle is split into two angles. One of them is 15°. What is the other angle (in degrees)?
  17. 17.Three angles meet at a point. Two of them are 80° and 60°. What is the third angle (in degrees)?
  18. 18.Three angles meet at a point. Two of them are 150° and 120°. 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 together make a straight line. One of them is 160°. What is the other angle (in degrees)?
  21. 21.Two angles together make a straight line. One of them is 95°. What is the other angle (in degrees)?
  22. 22.An angle measures 130°. What kind of angle is it? (a) Acute (b) Straight (c) Obtuse
  23. 23.Three angles meet at a point. Two of them are 80° and 110°. What is the third angle (in degrees)?
  24. 24.Three angles meet at a point. Two of them are 60° and 100°. What is the third angle (in degrees)?
  25. 25.Two angles of a triangle are 100° and 50°. What is the third angle (in degrees)?
  26. 26.Two angles together make a straight line. One of them is 80°. What is the other angle (in degrees)?
  27. 27.Two angles together make a straight line. One of them is 150°. What is the other angle (in degrees)?
  28. 28.An angle measures 10°. What kind of angle is it? (a) Straight (b) Obtuse (c) Acute
  29. 29.Two angles of a triangle are 40° and 40°. What is the third angle (in degrees)?
  30. 30.Two angles together make a straight line. One of them is 125°. What is the other angle (in degrees)?
  31. 31.Two angles of a triangle are 40° and 110°. What is the third angle (in degrees)?
  32. 32.What is the smaller angle between the hands of a clock at 11 o'clock (in degrees)?
  33. 33.A right angle is split into two angles. One of them is 70°. What is the other angle (in degrees)?
  34. 34.An angle measures 80°. What kind of angle is it? (a) Acute (b) Obtuse (c) Right
  35. 35.Two angles of a triangle are 35° and 125°. What is the third angle (in degrees)?
  36. 36.Three angles meet at a point. Two of them are 80° and 100°. What is the third angle (in degrees)?
  37. 37.Two angles together make a straight line. One of them is 10°. What is the other angle (in degrees)?
  38. 38.An angle measures 150°. What kind of angle is it? (a) Obtuse (b) Acute (c) Straight
  39. 39.What is the smaller angle between the hands of a clock at 4 o'clock (in degrees)?
  40. 40.An angle measures 50°. What kind of angle is it? (a) Straight (b) Acute (c) Obtuse

Answer key

  1. 125
  2. Right
  3. Straight
  4. 85
  5. 30
  6. Obtuse
  7. 90
  8. 5
  9. 180
  10. Acute
  11. 110
  12. 80
  13. 50
  14. 120
  15. 15
  16. 75
  17. 220
  18. 90
  19. 60
  20. 20
  21. 85
  22. Obtuse
  23. 170
  24. 200
  25. 30
  26. 100
  27. 30
  28. Acute
  29. 100
  30. 55
  31. 30
  32. 30
  33. 20
  34. Acute
  35. 20
  36. 180
  37. 170
  38. Obtuse
  39. 120
  40. Acute

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