← Angles lesson New set →

Class 5 Maths Worksheet: Angles

Maths worksheets lesson 39: Angles · Set 841 · 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.Two angles together make a straight line. One of them is 155°. What is the other angle (in degrees)?
  2. 2.An angle measures 90°. What kind of angle is it? (a) Straight (b) Right (c) Acute
  3. 3.Three angles meet at a point. Two of them are 150° and 150°. What is the third angle (in degrees)?
  4. 4.What is the smaller angle between the hands of a clock at 4 o'clock (in degrees)?
  5. 5.What is the smaller angle between the hands of a clock at 9 o'clock (in degrees)?
  6. 6.An angle measures 180°. What kind of angle is it? (a) Obtuse (b) Straight (c) Acute
  7. 7.Three angles meet at a point. Two of them are 60° and 230°. What is the third angle (in degrees)?
  8. 8.Two angles together make a straight line. One of them is 115°. What is the other angle (in degrees)?
  9. 9.Three angles meet at a point. Two of them are 110° and 60°. What is the third angle (in degrees)?
  10. 10.Two angles together make a straight line. One of them is 25°. What is the other angle (in degrees)?
  11. 11.Two angles of a triangle are 25° and 35°. What is the third angle (in degrees)?
  12. 12.A right angle is split into two angles. One of them is 40°. What is the other angle (in degrees)?
  13. 13.What is the smaller angle between the hands of a clock at 3 o'clock (in degrees)?
  14. 14.Three angles meet at a point. Two of them are 140° and 60°. What is the third angle (in degrees)?
  15. 15.An angle measures 105°. What kind of angle is it? (a) Acute (b) Straight (c) Obtuse
  16. 16.Two angles of a triangle are 60° and 50°. What is the third angle (in degrees)?
  17. 17.What is the smaller angle between the hands of a clock at 11 o'clock (in degrees)?
  18. 18.What is the smaller angle between the hands of a clock at 7 o'clock (in degrees)?
  19. 19.Three angles meet at a point. Two of them are 60° and 80°. What is the third angle (in degrees)?
  20. 20.Two angles of a triangle are 70° and 70°. What is the third angle (in degrees)?
  21. 21.Two angles of a triangle are 40° and 100°. What is the third angle (in degrees)?
  22. 22.Two angles of a triangle are 100° and 30°. What is the third angle (in degrees)?
  23. 23.Two angles of a triangle are 20° and 70°. 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.What is the smaller angle between the hands of a clock at 10 o'clock (in degrees)?
  26. 26.Two angles together make a straight line. One of them is 60°. 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.Two angles of a triangle are 45° and 75°. What is the third angle (in degrees)?
  29. 29.Two angles together make a straight line. One of them is 40°. What is the other angle (in degrees)?
  30. 30.Two angles of a triangle are 95° and 65°. What is the third angle (in degrees)?
  31. 31.Two angles together make a straight line. One of them is 110°. What is the other angle (in degrees)?
  32. 32.Three angles meet at a point. Two of them are 100° and 100°. What is the third angle (in degrees)?
  33. 33.A right angle is split into two angles. One of them is 65°. What is the other angle (in degrees)?
  34. 34.Two angles together make a straight line. One of them is 145°. What is the other angle (in degrees)?
  35. 35.Two angles together make a straight line. One of them is 65°. What is the other angle (in degrees)?
  36. 36.Two angles of a triangle are 85° and 35°. What is the third 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 40° and 75°. What is the third angle (in degrees)?
  39. 39.Two angles together make a straight line. One of them is 150°. What is the other angle (in degrees)?
  40. 40.Two angles together make a straight line. One of them is 75°. What is the other angle (in degrees)?

Answer key

  1. 25
  2. Right
  3. 60
  4. 120
  5. 90
  6. Straight
  7. 70
  8. 65
  9. 190
  10. 155
  11. 120
  12. 50
  13. 90
  14. 160
  15. Obtuse
  16. 70
  17. 30
  18. 150
  19. 220
  20. 40
  21. 40
  22. 50
  23. 90
  24. 75
  25. 60
  26. 120
  27. 60
  28. 60
  29. 140
  30. 20
  31. 70
  32. 160
  33. 25
  34. 35
  35. 115
  36. 60
  37. 15
  38. 65
  39. 30
  40. 105

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