← Angles lesson New set →

Class 5 Maths Worksheet: Angles

Maths worksheets lesson 39: Angles · Set 82 · 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 of a triangle are 65° and 35°. What is the third angle (in degrees)?
  2. 2.An angle measures 180°. What kind of angle is it? (a) Straight (b) Right (c) Acute
  3. 3.An angle measures 115°. What kind of angle is it? (a) Obtuse (b) Straight (c) Right
  4. 4.What is the smaller angle between the hands of a clock at 6 o'clock (in degrees)?
  5. 5.An angle measures 140°. What kind of angle is it? (a) Straight (b) Acute (c) Obtuse
  6. 6.A right angle is split into two angles. One of them is 65°. What is the other angle (in degrees)?
  7. 7.Three angles meet at a point. Two of them are 90° and 50°. What is the third angle (in degrees)?
  8. 8.Two angles together make a straight line. One of them is 30°. What is the other angle (in degrees)?
  9. 9.An angle measures 85°. What kind of angle is it? (a) Acute (b) Obtuse (c) Right
  10. 10.An angle measures 75°. What kind of angle is it? (a) Obtuse (b) Acute (c) Straight
  11. 11.Two angles together make a straight line. One of them is 95°. What is the other angle (in degrees)?
  12. 12.Two angles together make a straight line. One of them is 105°. What is the other angle (in degrees)?
  13. 13.What is the smaller angle between the hands of a clock at 9 o'clock (in degrees)?
  14. 14.Two angles together make a straight line. One of them is 135°. What is the other angle (in degrees)?
  15. 15.Three angles meet at a point. Two of them are 50° and 230°. What is the third angle (in degrees)?
  16. 16.An angle measures 90°. What kind of angle is it? (a) Straight (b) Acute (c) Right
  17. 17.Two angles of a triangle are 80° and 30°. What is the third angle (in degrees)?
  18. 18.What is the smaller angle between the hands of a clock at 3 o'clock (in degrees)?
  19. 19.A right angle is split into two angles. One of them is 50°. What is the other angle (in degrees)?
  20. 20.An angle measures 100°. What kind of angle is it? (a) Obtuse (b) Straight (c) Acute
  21. 21.A right angle is split into two angles. One of them is 5°. What is the other angle (in degrees)?
  22. 22.Two angles of a triangle are 20° and 75°. What is the third angle (in degrees)?
  23. 23.Two angles together make a straight line. One of them is 155°. What is the other angle (in degrees)?
  24. 24.A right angle is split into two angles. One of them is 55°. What is the other angle (in degrees)?
  25. 25.What is the smaller angle between the hands of a clock at 7 o'clock (in degrees)?
  26. 26.What is the smaller angle between the hands of a clock at 4 o'clock (in degrees)?
  27. 27.Three angles meet at a point. Two of them are 100° and 160°. What is the third angle (in degrees)?
  28. 28.Three angles meet at a point. Two of them are 70° and 100°. What is the third angle (in degrees)?
  29. 29.Two angles of a triangle are 20° and 115°. What is the third angle (in degrees)?
  30. 30.Two angles together make a straight line. One of them is 15°. What is the other angle (in degrees)?
  31. 31.Two angles of a triangle are 35° and 85°. What is the third angle (in degrees)?
  32. 32.Two angles together make a straight line. One of them is 65°. What is the other angle (in degrees)?
  33. 33.Three angles meet at a point. Two of them are 130° and 140°. What is the third angle (in degrees)?
  34. 34.Two angles together make a straight line. One of them is 130°. What is the other angle (in degrees)?
  35. 35.What is the smaller angle between the hands of a clock at 8 o'clock (in degrees)?
  36. 36.Two angles of a triangle are 85° and 80°. What is the third angle (in degrees)?
  37. 37.Three angles meet at a point. Two of them are 60° and 90°. What is the third angle (in degrees)?
  38. 38.A right angle is split into two angles. One of them is 85°. What is the other angle (in degrees)?
  39. 39.Two angles together make a straight line. One of them is 145°. What is the other angle (in degrees)?
  40. 40.Two angles of a triangle are 65° and 45°. What is the third angle (in degrees)?

Answer key

  1. 80
  2. Straight
  3. Obtuse
  4. 180
  5. Obtuse
  6. 25
  7. 220
  8. 150
  9. Acute
  10. Acute
  11. 85
  12. 75
  13. 90
  14. 45
  15. 80
  16. Right
  17. 70
  18. 90
  19. 40
  20. Obtuse
  21. 85
  22. 85
  23. 25
  24. 35
  25. 150
  26. 120
  27. 100
  28. 190
  29. 45
  30. 165
  31. 60
  32. 115
  33. 90
  34. 50
  35. 120
  36. 15
  37. 210
  38. 5
  39. 35
  40. 70

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