← Angles lesson New set →

Class 5 Maths Worksheet: Angles

Maths worksheets lesson 39: Angles · Set 701 · 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.An angle measures 180°. What kind of angle is it? (a) Straight (b) Acute (c) Obtuse
  2. 2.Two angles together make a straight line. One of them is 100°. What is the other angle (in degrees)?
  3. 3.Two angles together make a straight line. One of them is 140°. What is the other angle (in degrees)?
  4. 4.What is the smaller angle between the hands of a clock at 2 o'clock (in degrees)?
  5. 5.Two angles of a triangle are 25° and 105°. What is the third angle (in degrees)?
  6. 6.Three angles meet at a point. Two of them are 60° and 220°. What is the third angle (in degrees)?
  7. 7.What is the smaller angle between the hands of a clock at 7 o'clock (in degrees)?
  8. 8.Three angles meet at a point. Two of them are 60° and 230°. What is the third angle (in degrees)?
  9. 9.An angle measures 90°. What kind of angle is it? (a) Right (b) Straight (c) Obtuse
  10. 10.Three angles meet at a point. Two of them are 60° and 210°. What is the third angle (in degrees)?
  11. 11.Two angles together make a straight line. One of them is 65°. What is the other angle (in degrees)?
  12. 12.Two angles of a triangle are 50° and 20°. What is the third angle (in degrees)?
  13. 13.A right angle is split into two angles. One of them is 50°. What is the other angle (in degrees)?
  14. 14.Two angles together make a straight line. One of them is 80°. What is the other angle (in degrees)?
  15. 15.A right angle is split into two angles. One of them is 75°. What is the other angle (in degrees)?
  16. 16.What is the smaller angle between the hands of a clock at 6 o'clock (in degrees)?
  17. 17.An angle measures 35°. What kind of angle is it? (a) Obtuse (b) Straight (c) Acute
  18. 18.Three angles meet at a point. Two of them are 70° and 210°. What is the third angle (in degrees)?
  19. 19.Two angles of a triangle are 40° and 65°. What is the third angle (in degrees)?
  20. 20.Three angles meet at a point. Two of them are 50° and 210°. What is the third angle (in degrees)?
  21. 21.Three angles meet at a point. Two of them are 70° and 180°. What is the third angle (in degrees)?
  22. 22.Two angles together make a straight line. One of them is 55°. What is the other angle (in degrees)?
  23. 23.Two angles of a triangle are 90° and 75°. What is the third angle (in degrees)?
  24. 24.Three angles meet at a point. Two of them are 80° and 200°. What is the third angle (in degrees)?
  25. 25.Two angles together make a straight line. One of them is 35°. What is the other angle (in degrees)?
  26. 26.A right angle is split into two angles. One of them is 15°. What is the other angle (in degrees)?
  27. 27.What is the smaller angle between the hands of a clock at 1 o'clock (in degrees)?
  28. 28.Two angles of a triangle are 75° and 65°. What is the third angle (in degrees)?
  29. 29.A right angle is split into two angles. One of them is 65°. What is the other angle (in degrees)?
  30. 30.Three angles meet at a point. Two of them are 100° and 130°. What is the third angle (in degrees)?
  31. 31.Three angles meet at a point. Two of them are 90° and 120°. What is the third angle (in degrees)?
  32. 32.A right angle is split into two angles. One of them is 40°. What is the other angle (in degrees)?
  33. 33.An angle measures 130°. What kind of angle is it? (a) Straight (b) Obtuse (c) Right
  34. 34.What is the smaller angle between the hands of a clock at 11 o'clock (in degrees)?
  35. 35.Two angles together make a straight line. One of them is 15°. What is the other angle (in degrees)?
  36. 36.Two angles together make a straight line. One of them is 25°. What is the other angle (in degrees)?
  37. 37.Two angles of a triangle are 30° and 25°. What is the third angle (in degrees)?
  38. 38.An angle measures 120°. What kind of angle is it? (a) Straight (b) Obtuse (c) Acute
  39. 39.Two angles together make a straight line. One of them is 110°. What is the other angle (in degrees)?
  40. 40.Two angles together make a straight line. One of them is 20°. What is the other angle (in degrees)?

Answer key

  1. Straight
  2. 80
  3. 40
  4. 60
  5. 50
  6. 80
  7. 150
  8. 70
  9. Right
  10. 90
  11. 115
  12. 110
  13. 40
  14. 100
  15. 15
  16. 180
  17. Acute
  18. 80
  19. 75
  20. 100
  21. 110
  22. 125
  23. 15
  24. 80
  25. 145
  26. 75
  27. 30
  28. 40
  29. 25
  30. 130
  31. 150
  32. 50
  33. Obtuse
  34. 30
  35. 165
  36. 155
  37. 125
  38. Obtuse
  39. 70
  40. 160

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