← Angles lesson New set →

Class 5 Maths Worksheet: Angles

Maths worksheets lesson 39: Angles · Set 592 · 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 11 o'clock (in degrees)?
  2. 2.An angle measures 10°. What kind of angle is it? (a) Right (b) Acute (c) Straight
  3. 3.Three angles meet at a point. Two of them are 140° and 150°. What is the third angle (in degrees)?
  4. 4.A right angle is split into two angles. One of them is 45°. What is the other angle (in degrees)?
  5. 5.A right angle is split into two angles. One of them is 55°. What is the other angle (in degrees)?
  6. 6.Two angles together make a straight line. One of them is 155°. What is the other angle (in degrees)?
  7. 7.Two angles together make a straight line. One of them is 100°. What is the other angle (in degrees)?
  8. 8.Three angles meet at a point. Two of them are 80° and 50°. What is the third angle (in degrees)?
  9. 9.Three angles meet at a point. Two of them are 130° and 90°. What is the third angle (in degrees)?
  10. 10.Three angles meet at a point. Two of them are 100° and 170°. What is the third angle (in degrees)?
  11. 11.A right angle is split into two angles. One of them is 5°. What is the other angle (in degrees)?
  12. 12.Three angles meet at a point. Two of them are 120° and 170°. What is the third angle (in degrees)?
  13. 13.Two angles together make a straight line. One of them is 85°. What is the other angle (in degrees)?
  14. 14.A right angle is split into two angles. One of them is 15°. What is the other angle (in degrees)?
  15. 15.An angle measures 90°. What kind of angle is it? (a) Obtuse (b) Right (c) Acute
  16. 16.Three angles meet at a point. Two of them are 120° and 130°. What is the third angle (in degrees)?
  17. 17.Two angles of a triangle are 80° and 90°. What is the third angle (in degrees)?
  18. 18.An angle measures 180°. What kind of angle is it? (a) Obtuse (b) Acute (c) Straight
  19. 19.Three angles meet at a point. Two of them are 60° and 90°. What is the third angle (in degrees)?
  20. 20.Two angles of a triangle are 90° and 25°. What is the third angle (in degrees)?
  21. 21.A right angle is split into two angles. One of them is 80°. What is the other angle (in degrees)?
  22. 22.Two angles together make a straight line. One of them is 60°. What is the other angle (in degrees)?
  23. 23.Three angles meet at a point. Two of them are 90° and 170°. What is the third angle (in degrees)?
  24. 24.Two angles of a triangle are 70° and 35°. What is the third angle (in degrees)?
  25. 25.An angle measures 95°. What kind of angle is it? (a) Obtuse (b) Straight (c) Acute
  26. 26.Two angles together make a straight line. One of them is 115°. What is the other angle (in degrees)?
  27. 27.A right angle is split into two angles. One of them is 30°. What is the other angle (in degrees)?
  28. 28.A right angle is split into two angles. One of them is 75°. What is the other angle (in degrees)?
  29. 29.Two angles of a triangle are 25° and 100°. What is the third angle (in degrees)?
  30. 30.Three angles meet at a point. Two of them are 100° and 200°. What is the third angle (in degrees)?
  31. 31.Two angles of a triangle are 35° and 55°. What is the third angle (in degrees)?
  32. 32.What is the smaller angle between the hands of a clock at 8 o'clock (in degrees)?
  33. 33.Three angles meet at a point. Two of them are 100° and 150°. What is the third angle (in degrees)?
  34. 34.An angle measures 165°. What kind of angle is it? (a) Obtuse (b) Right (c) Straight
  35. 35.An angle measures 140°. What kind of angle is it? (a) Acute (b) Straight (c) Obtuse
  36. 36.Three angles meet at a point. Two of them are 120° and 50°. What is the third angle (in degrees)?
  37. 37.Two angles of a triangle are 55° and 85°. What is the third angle (in degrees)?
  38. 38.Two angles of a triangle are 50° and 20°. What is the third angle (in degrees)?
  39. 39.Two angles together make a straight line. One of them is 10°. What is the other angle (in degrees)?
  40. 40.A right angle is split into two angles. One of them is 65°. What is the other angle (in degrees)?

Answer key

  1. 30
  2. Acute
  3. 70
  4. 45
  5. 35
  6. 25
  7. 80
  8. 230
  9. 140
  10. 90
  11. 85
  12. 70
  13. 95
  14. 75
  15. Right
  16. 110
  17. 10
  18. Straight
  19. 210
  20. 65
  21. 10
  22. 120
  23. 100
  24. 75
  25. Obtuse
  26. 65
  27. 60
  28. 15
  29. 55
  30. 60
  31. 90
  32. 120
  33. 110
  34. Obtuse
  35. Obtuse
  36. 190
  37. 40
  38. 110
  39. 170
  40. 25

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