← Angles lesson New set →

Class 5 Maths Worksheet: Angles

Maths worksheets lesson 39: Angles · Set 166 · 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 165°. What is the other angle (in degrees)?
  2. 2.Two angles of a triangle are 40° and 135°. What is the third angle (in degrees)?
  3. 3.Three angles meet at a point. Two of them are 120° and 100°. What is the third angle (in degrees)?
  4. 4.An angle measures 180°. What kind of angle is it? (a) Straight (b) Acute (c) Right
  5. 5.Two angles together make a straight line. One of them is 20°. What is the other angle (in degrees)?
  6. 6.What is the smaller angle between the hands of a clock at 5 o'clock (in degrees)?
  7. 7.Two angles of a triangle are 25° and 80°. What is the third angle (in degrees)?
  8. 8.Two angles together make a straight line. One of them is 160°. What is the other angle (in degrees)?
  9. 9.An angle measures 10°. What kind of angle is it? (a) Acute (b) Right (c) Straight
  10. 10.Two angles of a triangle are 25° and 135°. What is the third angle (in degrees)?
  11. 11.Two angles of a triangle are 100° and 60°. What is the third angle (in degrees)?
  12. 12.What is the smaller angle between the hands of a clock at 3 o'clock (in degrees)?
  13. 13.Two angles together make a straight line. One of them is 30°. What is the other angle (in degrees)?
  14. 14.Two angles of a triangle are 80° and 85°. What is the third angle (in degrees)?
  15. 15.Three angles meet at a point. Two of them are 110° and 70°. What is the third angle (in degrees)?
  16. 16.Two angles together make a straight line. One of them is 40°. What is the other angle (in degrees)?
  17. 17.Three angles meet at a point. Two of them are 60° and 180°. What is the third angle (in degrees)?
  18. 18.Three angles meet at a point. Two of them are 140° and 50°. What is the third angle (in degrees)?
  19. 19.What is the smaller angle between the hands of a clock at 8 o'clock (in degrees)?
  20. 20.Three angles meet at a point. Two of them are 130° and 60°. What is the third angle (in degrees)?
  21. 21.A right angle is split into two angles. One of them is 10°. What is the other angle (in degrees)?
  22. 22.What is the smaller angle between the hands of a clock at 11 o'clock (in degrees)?
  23. 23.Two angles of a triangle are 90° and 40°. What is the third angle (in degrees)?
  24. 24.Two angles of a triangle are 80° and 70°. What is the third angle (in degrees)?
  25. 25.A right angle is split into two angles. One of them is 30°. What is the other angle (in degrees)?
  26. 26.An angle measures 80°. What kind of angle is it? (a) Right (b) Straight (c) Acute
  27. 27.Two angles of a triangle are 75° and 70°. What is the third angle (in degrees)?
  28. 28.What is the smaller angle between the hands of a clock at 6 o'clock (in degrees)?
  29. 29.What is the smaller angle between the hands of a clock at 7 o'clock (in degrees)?
  30. 30.An angle measures 130°. What kind of angle is it? (a) Right (b) Straight (c) Obtuse
  31. 31.A right angle is split into two angles. One of them is 85°. What is the other angle (in degrees)?
  32. 32.An angle measures 45°. What kind of angle is it? (a) Right (b) Acute (c) Obtuse
  33. 33.An angle measures 90°. What kind of angle is it? (a) Obtuse (b) Acute (c) Right
  34. 34.Three angles meet at a point. Two of them are 130° and 120°. What is the third angle (in degrees)?
  35. 35.Three angles meet at a point. Two of them are 50° and 220°. What is the third angle (in degrees)?
  36. 36.A right angle is split into two angles. One of them is 25°. What is the other angle (in degrees)?
  37. 37.An angle measures 30°. What kind of angle is it? (a) Obtuse (b) Acute (c) Right
  38. 38.Three angles meet at a point. Two of them are 80° and 150°. What is the third angle (in degrees)?
  39. 39.Two angles of a triangle are 25° and 75°. What is the third angle (in degrees)?
  40. 40.An angle measures 20°. What kind of angle is it? (a) Right (b) Acute (c) Obtuse

Answer key

  1. 15
  2. 5
  3. 140
  4. Straight
  5. 160
  6. 150
  7. 75
  8. 20
  9. Acute
  10. 20
  11. 20
  12. 90
  13. 150
  14. 15
  15. 180
  16. 140
  17. 120
  18. 170
  19. 120
  20. 170
  21. 80
  22. 30
  23. 50
  24. 30
  25. 60
  26. Acute
  27. 35
  28. 180
  29. 150
  30. Obtuse
  31. 5
  32. Acute
  33. Right
  34. 110
  35. 90
  36. 65
  37. Acute
  38. 130
  39. 80
  40. Acute

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