← Angles lesson New set →

Class 5 Maths Worksheet: Angles

Maths worksheets lesson 39: Angles · Set 117 · 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.An angle measures 90°. What kind of angle is it? (a) Straight (b) Right (c) Acute
  2. 2.Three angles meet at a point. Two of them are 130° and 90°. What is the third angle (in degrees)?
  3. 3.A right angle is split into two angles. One of them is 5°. What is the other angle (in degrees)?
  4. 4.An angle measures 15°. What kind of angle is it? (a) Right (b) Straight (c) Acute
  5. 5.An angle measures 80°. What kind of angle is it? (a) Straight (b) Obtuse (c) Acute
  6. 6.Two angles of a triangle are 95° and 50°. What is the third angle (in degrees)?
  7. 7.What is the smaller angle between the hands of a clock at 11 o'clock (in degrees)?
  8. 8.A right angle is split into two angles. One of them is 40°. What is the other angle (in degrees)?
  9. 9.Two angles together make a straight line. One of them is 140°. What is the other angle (in degrees)?
  10. 10.Two angles together make a straight line. One of them is 75°. What is the other angle (in degrees)?
  11. 11.Two angles together make a straight line. One of them is 55°. What is the other angle (in degrees)?
  12. 12.Two angles together make a straight line. One of them is 150°. What is the other angle (in degrees)?
  13. 13.Two angles of a triangle are 35° and 100°. What is the third angle (in degrees)?
  14. 14.Two angles of a triangle are 90° and 30°. What is the third angle (in degrees)?
  15. 15.What is the smaller angle between the hands of a clock at 7 o'clock (in degrees)?
  16. 16.Three angles meet at a point. Two of them are 140° and 50°. What is the third angle (in degrees)?
  17. 17.An angle measures 125°. What kind of angle is it? (a) Obtuse (b) Right (c) Acute
  18. 18.Three angles meet at a point. Two of them are 140° and 160°. What is the third angle (in degrees)?
  19. 19.What is the smaller angle between the hands of a clock at 2 o'clock (in degrees)?
  20. 20.What is the smaller angle between the hands of a clock at 1 o'clock (in degrees)?
  21. 21.An angle measures 130°. What kind of angle is it? (a) Acute (b) Right (c) Obtuse
  22. 22.Two angles together make a straight line. One of them is 100°. What is the other angle (in degrees)?
  23. 23.What is the smaller angle between the hands of a clock at 6 o'clock (in degrees)?
  24. 24.Two angles together make a straight line. One of them is 145°. What is the other angle (in degrees)?
  25. 25.A right angle is split into two angles. One of them is 50°. What is the other angle (in degrees)?
  26. 26.An angle measures 180°. What kind of angle is it? (a) Obtuse (b) Straight (c) Acute
  27. 27.Two angles together make a straight line. One of them is 10°. What is the other angle (in degrees)?
  28. 28.Three angles meet at a point. Two of them are 70° and 50°. What is the third angle (in degrees)?
  29. 29.What is the smaller angle between the hands of a clock at 5 o'clock (in degrees)?
  30. 30.Three angles meet at a point. Two of them are 60° and 130°. What is the third angle (in degrees)?
  31. 31.An angle measures 140°. What kind of angle is it? (a) Straight (b) Obtuse (c) Right
  32. 32.Two angles together make a straight line. One of them is 50°. What is the other angle (in degrees)?
  33. 33.An angle measures 105°. What kind of angle is it? (a) Right (b) Obtuse (c) Acute
  34. 34.Two angles of a triangle are 50° and 125°. What is the third angle (in degrees)?
  35. 35.An angle measures 155°. What kind of angle is it? (a) Acute (b) Straight (c) Obtuse
  36. 36.A right angle is split into two angles. One of them is 65°. What is the other angle (in degrees)?
  37. 37.Two angles together make a straight line. One of them is 90°. What is the other angle (in degrees)?
  38. 38.Three angles meet at a point. Two of them are 50° and 60°. What is the third angle (in degrees)?
  39. 39.An angle measures 85°. What kind of angle is it? (a) Acute (b) Right (c) Straight
  40. 40.Two angles of a triangle are 75° and 30°. What is the third angle (in degrees)?

Answer key

  1. Right
  2. 140
  3. 85
  4. Acute
  5. Acute
  6. 35
  7. 30
  8. 50
  9. 40
  10. 105
  11. 125
  12. 30
  13. 45
  14. 60
  15. 150
  16. 170
  17. Obtuse
  18. 60
  19. 60
  20. 30
  21. Obtuse
  22. 80
  23. 180
  24. 35
  25. 40
  26. Straight
  27. 170
  28. 240
  29. 150
  30. 170
  31. Obtuse
  32. 130
  33. Obtuse
  34. 5
  35. Obtuse
  36. 25
  37. 90
  38. 250
  39. Acute
  40. 75

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