← Angles lesson New set →

Class 5 Maths Worksheet: Angles

Maths worksheets lesson 39: Angles · Set 478 · 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 80°. 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.Three angles meet at a point. Two of them are 130° and 100°. What is the third angle (in degrees)?
  4. 4.Two angles together make a straight line. One of them is 110°. What is the other angle (in degrees)?
  5. 5.A right angle is split into two angles. One of them is 85°. What is the other angle (in degrees)?
  6. 6.Three angles meet at a point. Two of them are 120° and 60°. What is the third angle (in degrees)?
  7. 7.A right angle is split into two angles. One of them is 50°. What is the other angle (in degrees)?
  8. 8.Three angles meet at a point. Two of them are 150° and 90°. What is the third angle (in degrees)?
  9. 9.Two angles together make a straight line. One of them is 120°. What is the other angle (in degrees)?
  10. 10.Two angles together make a straight line. One of them is 35°. What is the other angle (in degrees)?
  11. 11.An angle measures 180°. What kind of angle is it? (a) Right (b) Obtuse (c) Straight
  12. 12.A right angle is split into two angles. One of them is 40°. What is the other angle (in degrees)?
  13. 13.Three angles meet at a point. Two of them are 60° and 70°. What is the third angle (in degrees)?
  14. 14.Two angles together make a straight line. One of them is 60°. What is the other angle (in degrees)?
  15. 15.Three angles meet at a point. Two of them are 100° and 170°. What is the third angle (in degrees)?
  16. 16.A right angle is split into two angles. One of them is 80°. What is the other angle (in degrees)?
  17. 17.Two angles of a triangle are 75° and 100°. What is the third angle (in degrees)?
  18. 18.Two angles together make a straight line. One of them is 145°. What is the other angle (in degrees)?
  19. 19.An angle measures 90°. What kind of angle is it? (a) Right (b) Straight (c) Obtuse
  20. 20.What is the smaller angle between the hands of a clock at 7 o'clock (in degrees)?
  21. 21.Two angles together make a straight line. One of them is 155°. What is the other angle (in degrees)?
  22. 22.A right angle is split into two angles. One of them is 30°. What is the other angle (in degrees)?
  23. 23.Two angles together make a straight line. One of them is 70°. What is the other angle (in degrees)?
  24. 24.Two angles of a triangle are 100° and 60°. What is the third angle (in degrees)?
  25. 25.Three angles meet at a point. Two of them are 60° and 150°. What is the third angle (in degrees)?
  26. 26.An angle measures 25°. What kind of angle is it? (a) Straight (b) Obtuse (c) Acute
  27. 27.Two angles together make a straight line. One of them is 50°. What is the other angle (in degrees)?
  28. 28.Two angles together make a straight line. One of them is 90°. What is the other angle (in degrees)?
  29. 29.What is the smaller angle between the hands of a clock at 10 o'clock (in degrees)?
  30. 30.Three angles meet at a point. Two of them are 70° and 170°. What is the third angle (in degrees)?
  31. 31.An angle measures 10°. What kind of angle is it? (a) Right (b) Straight (c) Acute
  32. 32.An angle measures 80°. What kind of angle is it? (a) Straight (b) Acute (c) Obtuse
  33. 33.A right angle is split into two angles. One of them is 15°. What is the other angle (in degrees)?
  34. 34.Three angles meet at a point. Two of them are 100° and 130°. What is the third angle (in degrees)?
  35. 35.Three angles meet at a point. Two of them are 120° and 150°. What is the third angle (in degrees)?
  36. 36.Two angles together make a straight line. One of them is 130°. What is the other angle (in degrees)?
  37. 37.What is the smaller angle between the hands of a clock at 3 o'clock (in degrees)?
  38. 38.Three angles meet at a point. Two of them are 50° and 110°. What is the third angle (in degrees)?
  39. 39.What is the smaller angle between the hands of a clock at 1 o'clock (in degrees)?
  40. 40.Two angles together make a straight line. One of them is 40°. What is the other angle (in degrees)?

Answer key

  1. 100
  2. 60
  3. 130
  4. 70
  5. 5
  6. 180
  7. 40
  8. 120
  9. 60
  10. 145
  11. Straight
  12. 50
  13. 230
  14. 120
  15. 90
  16. 10
  17. 5
  18. 35
  19. Right
  20. 150
  21. 25
  22. 60
  23. 110
  24. 20
  25. 150
  26. Acute
  27. 130
  28. 90
  29. 60
  30. 120
  31. Acute
  32. Acute
  33. 75
  34. 130
  35. 90
  36. 50
  37. 90
  38. 200
  39. 30
  40. 140

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