← Angles lesson New set →

Class 5 Maths Worksheet: Angles

Maths worksheets lesson 39: Angles · Set 933 · 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 65°. What is the other angle (in degrees)?
  2. 2.Two angles together make a straight line. One of them is 170°. What is the other angle (in degrees)?
  3. 3.Two angles together make a straight line. One of them is 125°. What is the other angle (in degrees)?
  4. 4.An angle measures 60°. What kind of angle is it? (a) Straight (b) Obtuse (c) Acute
  5. 5.Three angles meet at a point. Two of them are 150° and 50°. What is the third angle (in degrees)?
  6. 6.Two angles together make a straight line. One of them is 15°. What is the other angle (in degrees)?
  7. 7.Two angles together make a straight line. One of them is 75°. What is the other angle (in degrees)?
  8. 8.Two angles of a triangle are 50° and 65°. What is the third angle (in degrees)?
  9. 9.An angle measures 75°. What kind of angle is it? (a) Straight (b) Right (c) Acute
  10. 10.Two angles of a triangle are 55° and 100°. What is the third angle (in degrees)?
  11. 11.Three angles meet at a point. Two of them are 140° and 80°. What is the third angle (in degrees)?
  12. 12.Two angles of a triangle are 60° and 85°. What is the third angle (in degrees)?
  13. 13.Two angles together make a straight line. One of them is 50°. What is the other angle (in degrees)?
  14. 14.Three angles meet at a point. Two of them are 90° and 70°. What is the third angle (in degrees)?
  15. 15.A right angle is split into two angles. One of them is 5°. What is the other angle (in degrees)?
  16. 16.Three angles meet at a point. Two of them are 140° and 130°. What is the third 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.What is the smaller angle between the hands of a clock at 9 o'clock (in degrees)?
  19. 19.Three angles meet at a point. Two of them are 140° and 50°. What is the third angle (in degrees)?
  20. 20.Three angles meet at a point. Two of them are 140° and 120°. What is the third angle (in degrees)?
  21. 21.An angle measures 30°. What kind of angle is it? (a) Right (b) Acute (c) Obtuse
  22. 22.What is the smaller angle between the hands of a clock at 2 o'clock (in degrees)?
  23. 23.Three angles meet at a point. Two of them are 50° and 170°. What is the third angle (in degrees)?
  24. 24.Two angles together make a straight line. One of them is 115°. What is the other angle (in degrees)?
  25. 25.What is the smaller angle between the hands of a clock at 3 o'clock (in degrees)?
  26. 26.An angle measures 100°. What kind of angle is it? (a) Obtuse (b) Acute (c) Straight
  27. 27.What is the smaller angle between the hands of a clock at 5 o'clock (in degrees)?
  28. 28.Two angles of a triangle are 25° and 40°. What is the third angle (in degrees)?
  29. 29.Three angles meet at a point. Two of them are 50° and 220°. What is the third angle (in degrees)?
  30. 30.Three angles meet at a point. Two of them are 130° and 170°. What is the third angle (in degrees)?
  31. 31.Two angles together make a straight line. One of them is 55°. What is the other angle (in degrees)?
  32. 32.Three angles meet at a point. Two of them are 100° and 160°. What is the third angle (in degrees)?
  33. 33.A right angle is split into two angles. One of them is 20°. What is the other angle (in degrees)?
  34. 34.Two angles of a triangle are 35° and 90°. 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.Two angles together make a straight line. One of them is 165°. What is the other angle (in degrees)?
  37. 37.Two angles together make a straight line. One of them is 135°. What is the other angle (in degrees)?
  38. 38.An angle measures 55°. What kind of angle is it? (a) Right (b) Obtuse (c) Acute
  39. 39.Three angles meet at a point. Two of them are 140° and 100°. What is the third angle (in degrees)?
  40. 40.Two angles together make a straight line. One of them is 95°. What is the other angle (in degrees)?

Answer key

  1. 115
  2. 10
  3. 55
  4. Acute
  5. 160
  6. 165
  7. 105
  8. 65
  9. Acute
  10. 25
  11. 140
  12. 35
  13. 130
  14. 200
  15. 85
  16. 90
  17. 50
  18. 90
  19. 170
  20. 100
  21. Acute
  22. 60
  23. 140
  24. 65
  25. 90
  26. Obtuse
  27. 150
  28. 115
  29. 90
  30. 60
  31. 125
  32. 100
  33. 70
  34. 55
  35. 80
  36. 15
  37. 45
  38. Acute
  39. 120
  40. 85

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