← Angles lesson New set →

Class 5 Maths Worksheet: Angles

Maths worksheets lesson 39: Angles · Set 635 · 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.What is the smaller angle between the hands of a clock at 7 o'clock (in degrees)?
  2. 2.Three angles meet at a point. Two of them are 50° and 250°. What is the third angle (in degrees)?
  3. 3.Two angles of a triangle are 40° and 40°. What is the third angle (in degrees)?
  4. 4.Two angles together make a straight line. One of them is 25°. What is the other angle (in degrees)?
  5. 5.Two angles together make a straight line. One of them is 75°. What is the other angle (in degrees)?
  6. 6.A right angle is split into two angles. One of them is 40°. What is the other angle (in degrees)?
  7. 7.A right angle is split into two angles. One of them is 25°. What is the other angle (in degrees)?
  8. 8.An angle measures 20°. What kind of angle is it? (a) Acute (b) Obtuse (c) Straight
  9. 9.A right angle is split into two angles. One of them is 15°. What is the other angle (in degrees)?
  10. 10.An angle measures 90°. What kind of angle is it? (a) Right (b) Acute (c) Obtuse
  11. 11.What is the smaller angle between the hands of a clock at 9 o'clock (in degrees)?
  12. 12.A right angle is split into two angles. One of them is 60°. What is the other angle (in degrees)?
  13. 13.What is the smaller angle between the hands of a clock at 10 o'clock (in degrees)?
  14. 14.Three angles meet at a point. Two of them are 70° and 220°. What is the third angle (in degrees)?
  15. 15.Two angles together make a straight line. One of them is 115°. What is the other angle (in degrees)?
  16. 16.An angle measures 15°. What kind of angle is it? (a) Straight (b) Acute (c) Right
  17. 17.Two angles of a triangle are 25° and 45°. What is the third angle (in degrees)?
  18. 18.Two angles together make a straight line. One of them is 80°. What is the other angle (in degrees)?
  19. 19.An angle measures 170°. What kind of angle is it? (a) Obtuse (b) Acute (c) Straight
  20. 20.Two angles together make a straight line. One of them is 45°. What is the other angle (in degrees)?
  21. 21.Three angles meet at a point. Two of them are 110° and 70°. What is the third angle (in degrees)?
  22. 22.An angle measures 180°. What kind of angle is it? (a) Acute (b) Right (c) Straight
  23. 23.Two angles of a triangle are 65° and 90°. What is the third angle (in degrees)?
  24. 24.Two angles together make a straight line. One of them is 165°. What is the other angle (in degrees)?
  25. 25.Two angles together make a straight line. One of them is 110°. What is the other angle (in degrees)?
  26. 26.Three angles meet at a point. Two of them are 70° and 170°. What is the third angle (in degrees)?
  27. 27.An angle measures 105°. What kind of angle is it? (a) Obtuse (b) Right (c) Acute
  28. 28.Two angles of a triangle are 95° and 70°. What is the third angle (in degrees)?
  29. 29.Two angles of a triangle are 70° and 85°. What is the third angle (in degrees)?
  30. 30.Two angles together make a straight line. One of them is 30°. What is the other angle (in degrees)?
  31. 31.Two angles of a triangle are 25° and 35°. What is the third angle (in degrees)?
  32. 32.Two angles of a triangle are 30° and 20°. What is the third angle (in degrees)?
  33. 33.An angle measures 155°. What kind of angle is it? (a) Straight (b) Obtuse (c) Right
  34. 34.Three angles meet at a point. Two of them are 100° and 150°. What is the third angle (in degrees)?
  35. 35.Two angles together make a straight line. One of them is 135°. What is the other angle (in degrees)?
  36. 36.Three angles meet at a point. Two of them are 60° and 220°. What is the third angle (in degrees)?
  37. 37.An angle measures 125°. What kind of angle is it? (a) Straight (b) Right (c) Obtuse
  38. 38.Two angles of a triangle are 30° and 50°. What is the third angle (in degrees)?
  39. 39.Two angles together make a straight line. One of them is 20°. What is the other angle (in degrees)?
  40. 40.Two angles together make a straight line. One of them is 130°. What is the other angle (in degrees)?

Answer key

  1. 150
  2. 60
  3. 100
  4. 155
  5. 105
  6. 50
  7. 65
  8. Acute
  9. 75
  10. Right
  11. 90
  12. 30
  13. 60
  14. 70
  15. 65
  16. Acute
  17. 110
  18. 100
  19. Obtuse
  20. 135
  21. 180
  22. Straight
  23. 25
  24. 15
  25. 70
  26. 120
  27. Obtuse
  28. 15
  29. 25
  30. 150
  31. 120
  32. 130
  33. Obtuse
  34. 110
  35. 45
  36. 80
  37. Obtuse
  38. 100
  39. 160
  40. 50

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