← Angles lesson New set →

Class 5 Maths Worksheet: Angles

Maths worksheets lesson 39: Angles · Set 275 · 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 105°. What kind of angle is it? (a) Straight (b) Obtuse (c) Right
  2. 2.Three angles meet at a point. Two of them are 120° and 110°. What is the third angle (in degrees)?
  3. 3.What is the smaller angle between the hands of a clock at 8 o'clock (in degrees)?
  4. 4.An angle measures 85°. What kind of angle is it? (a) Acute (b) Obtuse (c) Right
  5. 5.An angle measures 90°. What kind of angle is it? (a) Right (b) Obtuse (c) Acute
  6. 6.Three angles meet at a point. Two of them are 130° and 130°. What is the third angle (in degrees)?
  7. 7.Three angles meet at a point. Two of them are 70° and 180°. What is the third angle (in degrees)?
  8. 8.What is the smaller angle between the hands of a clock at 1 o'clock (in degrees)?
  9. 9.What is the smaller angle between the hands of a clock at 3 o'clock (in degrees)?
  10. 10.A right angle is split into two angles. One of them is 80°. What is the other angle (in degrees)?
  11. 11.Two angles together make a straight line. One of them is 75°. What is the other angle (in degrees)?
  12. 12.Two angles together make a straight line. One of them is 40°. What is the other angle (in degrees)?
  13. 13.An angle measures 10°. What kind of angle is it? (a) Right (b) Acute (c) Obtuse
  14. 14.Two angles together make a straight line. One of them is 65°. What is the other angle (in degrees)?
  15. 15.Three angles meet at a point. Two of them are 140° and 160°. What is the third angle (in degrees)?
  16. 16.Two angles together make a straight line. One of them is 110°. What is the other angle (in degrees)?
  17. 17.A right angle is split into two angles. One of them is 40°. What is the other angle (in degrees)?
  18. 18.A right angle is split into two angles. One of them is 5°. What is the other angle (in degrees)?
  19. 19.What is the smaller angle between the hands of a clock at 2 o'clock (in degrees)?
  20. 20.Three angles meet at a point. Two of them are 70° and 70°. What is the third angle (in degrees)?
  21. 21.An angle measures 130°. What kind of angle is it? (a) Obtuse (b) Straight (c) Acute
  22. 22.Two angles together make a straight line. One of them is 105°. What is the other angle (in degrees)?
  23. 23.A right angle is split into two angles. One of them is 25°. What is the other angle (in degrees)?
  24. 24.What is the smaller angle between the hands of a clock at 5 o'clock (in degrees)?
  25. 25.An angle measures 180°. What kind of angle is it? (a) Obtuse (b) Straight (c) Acute
  26. 26.A right angle is split into two angles. One of them is 20°. What is the other angle (in degrees)?
  27. 27.A right angle is split into two angles. One of them is 65°. What is the other angle (in degrees)?
  28. 28.What is the smaller angle between the hands of a clock at 9 o'clock (in degrees)?
  29. 29.Two angles of a triangle are 100° and 70°. What is the third angle (in degrees)?
  30. 30.Two angles of a triangle are 55° and 115°. What is the third angle (in degrees)?
  31. 31.Two angles together make a straight line. One of them is 100°. What is the other angle (in degrees)?
  32. 32.Two angles together make a straight line. One of them is 125°. What is the other angle (in degrees)?
  33. 33.Two angles of a triangle are 20° and 95°. What is the third angle (in degrees)?
  34. 34.Three angles meet at a point. Two of them are 130° and 100°. What is the third angle (in degrees)?
  35. 35.A right angle is split into two angles. One of them is 10°. What is the other angle (in degrees)?
  36. 36.What is the smaller angle between the hands of a clock at 11 o'clock (in degrees)?
  37. 37.Two angles together make a straight line. One of them is 145°. What is the other angle (in degrees)?
  38. 38.What is the smaller angle between the hands of a clock at 6 o'clock (in degrees)?
  39. 39.Two angles of a triangle are 60° and 40°. What is the third angle (in degrees)?
  40. 40.Two angles together make a straight line. One of them is 85°. What is the other angle (in degrees)?

Answer key

  1. Obtuse
  2. 130
  3. 120
  4. Acute
  5. Right
  6. 100
  7. 110
  8. 30
  9. 90
  10. 10
  11. 105
  12. 140
  13. Acute
  14. 115
  15. 60
  16. 70
  17. 50
  18. 85
  19. 60
  20. 220
  21. Obtuse
  22. 75
  23. 65
  24. 150
  25. Straight
  26. 70
  27. 25
  28. 90
  29. 10
  30. 10
  31. 80
  32. 55
  33. 65
  34. 130
  35. 80
  36. 30
  37. 35
  38. 180
  39. 80
  40. 95

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