← Angles lesson New set →

Class 5 Maths Worksheet: Angles

Maths worksheets lesson 39: Angles · Set 289 · 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 35°. What is the other angle (in degrees)?
  2. 2.A right angle is split into two angles. One of them is 5°. What is the other angle (in degrees)?
  3. 3.A right angle is split into two angles. One of them is 50°. What is the other angle (in degrees)?
  4. 4.Two angles together make a straight line. One of them is 95°. What is the other angle (in degrees)?
  5. 5.Three angles meet at a point. Two of them are 90° and 100°. What is the third angle (in degrees)?
  6. 6.An angle measures 90°. What kind of angle is it? (a) Acute (b) Right (c) Straight
  7. 7.Two angles of a triangle are 55° and 110°. What is the third angle (in degrees)?
  8. 8.Two angles together make a straight line. One of them is 60°. What is the other angle (in degrees)?
  9. 9.A right angle is split into two angles. One of them is 55°. What is the other angle (in degrees)?
  10. 10.Two angles together make a straight line. One of them is 165°. What is the other angle (in degrees)?
  11. 11.An angle measures 55°. What kind of angle is it? (a) Straight (b) Right (c) Acute
  12. 12.Two angles of a triangle are 90° and 65°. What is the third angle (in degrees)?
  13. 13.Two angles of a triangle are 55° and 95°. What is the third angle (in degrees)?
  14. 14.Three angles meet at a point. Two of them are 70° and 160°. What is the third angle (in degrees)?
  15. 15.An angle measures 30°. What kind of angle is it? (a) Acute (b) Obtuse (c) Straight
  16. 16.Two angles of a triangle are 100° and 45°. What is the third angle (in degrees)?
  17. 17.An angle measures 180°. What kind of angle is it? (a) Straight (b) Obtuse (c) Right
  18. 18.Two angles together make a straight line. One of them is 70°. What is the other angle (in degrees)?
  19. 19.Two angles of a triangle are 85° and 60°. What is the third angle (in degrees)?
  20. 20.Two angles of a triangle are 20° and 105°. What is the third angle (in degrees)?
  21. 21.A right angle is split into two angles. One of them is 30°. What is the other angle (in degrees)?
  22. 22.Three angles meet at a point. Two of them are 100° and 80°. What is the third angle (in degrees)?
  23. 23.What is the smaller angle between the hands of a clock at 11 o'clock (in degrees)?
  24. 24.What is the smaller angle between the hands of a clock at 9 o'clock (in degrees)?
  25. 25.A right angle is split into two angles. One of them is 40°. What is the other angle (in degrees)?
  26. 26.An angle measures 85°. What kind of angle is it? (a) Straight (b) Acute (c) Right
  27. 27.Two angles together make a straight line. One of them is 40°. What is the other angle (in degrees)?
  28. 28.Two angles of a triangle are 25° and 40°. What is the third angle (in degrees)?
  29. 29.Two angles together make a straight line. One of them is 125°. What is the other angle (in degrees)?
  30. 30.A right angle is split into two angles. One of them is 25°. What is the other angle (in degrees)?
  31. 31.An angle measures 45°. What kind of angle is it? (a) Right (b) Obtuse (c) Acute
  32. 32.Three angles meet at a point. Two of them are 60° and 160°. What is the third angle (in degrees)?
  33. 33.Three angles meet at a point. Two of them are 70° and 120°. What is the third angle (in degrees)?
  34. 34.Two angles of a triangle are 50° and 60°. What is the third angle (in degrees)?
  35. 35.Three angles meet at a point. Two of them are 80° and 170°. What is the third angle (in degrees)?
  36. 36.What is the smaller angle between the hands of a clock at 5 o'clock (in degrees)?
  37. 37.Two angles of a triangle are 50° and 70°. What is the third angle (in degrees)?
  38. 38.What is the smaller angle between the hands of a clock at 6 o'clock (in degrees)?
  39. 39.A right angle is split into two angles. One of them is 75°. What is the other angle (in degrees)?
  40. 40.Three angles meet at a point. Two of them are 70° and 140°. What is the third angle (in degrees)?

Answer key

  1. 55
  2. 85
  3. 40
  4. 85
  5. 170
  6. Right
  7. 15
  8. 120
  9. 35
  10. 15
  11. Acute
  12. 25
  13. 30
  14. 130
  15. Acute
  16. 35
  17. Straight
  18. 110
  19. 35
  20. 55
  21. 60
  22. 180
  23. 30
  24. 90
  25. 50
  26. Acute
  27. 140
  28. 115
  29. 55
  30. 65
  31. Acute
  32. 140
  33. 170
  34. 70
  35. 110
  36. 150
  37. 60
  38. 180
  39. 15
  40. 150

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