← Angles lesson New set →

Class 5 Maths Worksheet: Angles

Maths worksheets lesson 39: Angles · Set 676 · 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.A right angle is split into two angles. One of them is 10°. What is the other angle (in degrees)?
  2. 2.An angle measures 90°. What kind of angle is it? (a) Right (b) Straight (c) Acute
  3. 3.What is the smaller angle between the hands of a clock at 11 o'clock (in degrees)?
  4. 4.Three angles meet at a point. Two of them are 120° and 90°. What is the third angle (in degrees)?
  5. 5.What is the smaller angle between the hands of a clock at 6 o'clock (in degrees)?
  6. 6.Three angles meet at a point. Two of them are 130° and 110°. What is the third angle (in degrees)?
  7. 7.A right angle is split into two angles. One of them is 5°. What is the other angle (in degrees)?
  8. 8.Three angles meet at a point. Two of them are 50° and 80°. What is the third angle (in degrees)?
  9. 9.An angle measures 75°. What kind of angle is it? (a) Obtuse (b) Right (c) Acute
  10. 10.What is the smaller angle between the hands of a clock at 5 o'clock (in degrees)?
  11. 11.What is the smaller angle between the hands of a clock at 7 o'clock (in degrees)?
  12. 12.Two angles of a triangle are 75° and 95°. What is the third angle (in degrees)?
  13. 13.Two angles together make a straight line. One of them is 70°. What is the other angle (in degrees)?
  14. 14.An angle measures 35°. What kind of angle is it? (a) Right (b) Acute (c) Straight
  15. 15.Three angles meet at a point. Two of them are 110° and 100°. 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.Two angles together make a straight line. One of them is 115°. What is the other angle (in degrees)?
  18. 18.A right angle is split into two angles. One of them is 50°. What is the other angle (in degrees)?
  19. 19.An angle measures 60°. What kind of angle is it? (a) Right (b) Obtuse (c) Acute
  20. 20.Two angles of a triangle are 40° and 120°. What is the third angle (in degrees)?
  21. 21.Two angles of a triangle are 45° and 130°. What is the third angle (in degrees)?
  22. 22.An angle measures 155°. What kind of angle is it? (a) Obtuse (b) Acute (c) Straight
  23. 23.What is the smaller angle between the hands of a clock at 9 o'clock (in degrees)?
  24. 24.Two angles together make a straight line. One of them is 150°. What is the other angle (in degrees)?
  25. 25.Three angles meet at a point. Two of them are 80° and 80°. What is the third angle (in degrees)?
  26. 26.A right angle is split into two angles. One of them is 40°. What is the other angle (in degrees)?
  27. 27.Two angles together make a straight line. One of them is 90°. What is the other angle (in degrees)?
  28. 28.Two angles of a triangle are 50° and 45°. What is the third angle (in degrees)?
  29. 29.Three angles meet at a point. Two of them are 110° and 80°. What is the third angle (in degrees)?
  30. 30.Three angles meet at a point. Two of them are 140° and 100°. What is the third angle (in degrees)?
  31. 31.A right angle is split into two angles. One of them is 60°. What is the other angle (in degrees)?
  32. 32.Two angles of a triangle are 45° and 70°. What is the third angle (in degrees)?
  33. 33.Three angles meet at a point. Two of them are 100° and 140°. What is the third angle (in degrees)?
  34. 34.Two angles of a triangle are 75° and 50°. What is the third angle (in degrees)?
  35. 35.A right angle is split into two angles. One of them is 70°. What is the other angle (in degrees)?
  36. 36.Two angles together make a straight line. One of them is 10°. What is the other angle (in degrees)?
  37. 37.Two angles together make a straight line. One of them is 165°. What is the other angle (in degrees)?
  38. 38.Two angles of a triangle are 65° and 55°. What is the third angle (in degrees)?
  39. 39.Three angles meet at a point. Two of them are 80° and 70°. What is the third angle (in degrees)?
  40. 40.Two angles of a triangle are 25° and 120°. What is the third angle (in degrees)?

Answer key

  1. 80
  2. Right
  3. 30
  4. 150
  5. 180
  6. 120
  7. 85
  8. 230
  9. Acute
  10. 150
  11. 150
  12. 10
  13. 110
  14. Acute
  15. 150
  16. 70
  17. 65
  18. 40
  19. Acute
  20. 20
  21. 5
  22. Obtuse
  23. 90
  24. 30
  25. 200
  26. 50
  27. 90
  28. 85
  29. 170
  30. 120
  31. 30
  32. 65
  33. 120
  34. 55
  35. 20
  36. 170
  37. 15
  38. 60
  39. 210
  40. 35

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