← Angles lesson New set →

Class 5 Maths Worksheet: Angles

Maths worksheets lesson 39: Angles · Set 443 · 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 50°. What is the other angle (in degrees)?
  2. 2.What is the smaller angle between the hands of a clock at 2 o'clock (in degrees)?
  3. 3.An angle measures 10°. What kind of angle is it? (a) Acute (b) Obtuse (c) Straight
  4. 4.A right angle is split into two angles. One of them is 5°. What is the other angle (in degrees)?
  5. 5.An angle measures 165°. What kind of angle is it? (a) Acute (b) Obtuse (c) Right
  6. 6.Three angles meet at a point. Two of them are 50° and 80°. What is the third angle (in degrees)?
  7. 7.Three angles meet at a point. Two of them are 120° and 110°. What is the third angle (in degrees)?
  8. 8.Two angles of a triangle are 75° and 35°. What is the third angle (in degrees)?
  9. 9.Two angles together make a straight line. One of them is 100°. What is the other angle (in degrees)?
  10. 10.Two angles together make a straight line. One of them is 115°. What is the other angle (in degrees)?
  11. 11.Two angles together make a straight line. One of them is 20°. What is the other angle (in degrees)?
  12. 12.Three angles meet at a point. Two of them are 150° and 50°. What is the third angle (in degrees)?
  13. 13.Three angles meet at a point. Two of them are 110° and 90°. What is the third angle (in degrees)?
  14. 14.Three angles meet at a point. Two of them are 90° and 190°. What is the third angle (in degrees)?
  15. 15.What is the smaller angle between the hands of a clock at 6 o'clock (in degrees)?
  16. 16.Three angles meet at a point. Two of them are 140° and 120°. What is the third angle (in degrees)?
  17. 17.An angle measures 90°. What kind of angle is it? (a) Right (b) Acute (c) Obtuse
  18. 18.Two angles together make a straight line. One of them is 30°. What is the other angle (in degrees)?
  19. 19.Three angles meet at a point. Two of them are 50° and 230°. What is the third angle (in degrees)?
  20. 20.Two angles of a triangle are 80° and 85°. What is the third angle (in degrees)?
  21. 21.An angle measures 180°. What kind of angle is it? (a) Acute (b) Straight (c) Right
  22. 22.What is the smaller angle between the hands of a clock at 4 o'clock (in degrees)?
  23. 23.Two angles together make a straight line. One of them is 35°. What is the other angle (in degrees)?
  24. 24.What is the smaller angle between the hands of a clock at 8 o'clock (in degrees)?
  25. 25.A right angle is split into two angles. One of them is 10°. What is the other 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.An angle measures 170°. What kind of angle is it? (a) Straight (b) Right (c) Obtuse
  28. 28.Three angles meet at a point. Two of them are 70° and 80°. What is the third angle (in degrees)?
  29. 29.Three angles meet at a point. Two of them are 50° and 190°. What is the third angle (in degrees)?
  30. 30.An angle measures 50°. What kind of angle is it? (a) Obtuse (b) Straight (c) Acute
  31. 31.What is the smaller angle between the hands of a clock at 10 o'clock (in degrees)?
  32. 32.Two angles of a triangle are 30° and 35°. What is the third angle (in degrees)?
  33. 33.Three angles meet at a point. Two of them are 60° and 60°. What is the third angle (in degrees)?
  34. 34.Two angles of a triangle are 75° and 40°. What is the third angle (in degrees)?
  35. 35.A right angle is split into two angles. One of them is 80°. What is the other angle (in degrees)?
  36. 36.Two angles of a triangle are 85° and 50°. What is the third angle (in degrees)?
  37. 37.Two angles of a triangle are 85° and 25°. What is the third angle (in degrees)?
  38. 38.Two angles together make a straight line. One of them is 165°. What is the other angle (in degrees)?
  39. 39.Three angles meet at a point. Two of them are 70° and 190°. What is the third angle (in degrees)?
  40. 40.A right angle is split into two angles. One of them is 45°. What is the other angle (in degrees)?

Answer key

  1. 40
  2. 60
  3. Acute
  4. 85
  5. Obtuse
  6. 230
  7. 130
  8. 70
  9. 80
  10. 65
  11. 160
  12. 160
  13. 160
  14. 80
  15. 180
  16. 100
  17. Right
  18. 150
  19. 80
  20. 15
  21. Straight
  22. 120
  23. 145
  24. 120
  25. 80
  26. 50
  27. Obtuse
  28. 210
  29. 120
  30. Acute
  31. 60
  32. 115
  33. 240
  34. 65
  35. 10
  36. 45
  37. 70
  38. 15
  39. 100
  40. 45

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