← Angles lesson New set →

Class 5 Maths Worksheet: Angles

Maths worksheets lesson 39: Angles · Set 198 · 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.Three angles meet at a point. Two of them are 50° and 50°. What is the third angle (in degrees)?
  2. 2.What is the smaller angle between the hands of a clock at 6 o'clock (in degrees)?
  3. 3.Two angles together make a straight line. One of them is 25°. What is the other angle (in degrees)?
  4. 4.A right angle is split into two angles. One of them is 35°. What is the other angle (in degrees)?
  5. 5.Two angles of a triangle are 30° and 90°. What is the third angle (in degrees)?
  6. 6.Three angles meet at a point. Two of them are 140° and 100°. What is the third angle (in degrees)?
  7. 7.Two angles of a triangle are 75° and 80°. What is the third angle (in degrees)?
  8. 8.An angle measures 180°. What kind of angle is it? (a) Right (b) Acute (c) Straight
  9. 9.What is the smaller angle between the hands of a clock at 10 o'clock (in degrees)?
  10. 10.An angle measures 125°. What kind of angle is it? (a) Right (b) Obtuse (c) Acute
  11. 11.An angle measures 135°. What kind of angle is it? (a) Straight (b) Acute (c) Obtuse
  12. 12.What is the smaller angle between the hands of a clock at 1 o'clock (in degrees)?
  13. 13.A right angle is split into two angles. One of them is 55°. What is the other angle (in degrees)?
  14. 14.Two angles together make a straight line. One of them is 155°. What is the other angle (in degrees)?
  15. 15.A right angle is split into two angles. One of them is 15°. What is the other angle (in degrees)?
  16. 16.An angle measures 155°. What kind of angle is it? (a) Acute (b) Straight (c) Obtuse
  17. 17.Two angles of a triangle are 100° and 70°. What is the third angle (in degrees)?
  18. 18.Three angles meet at a point. Two of them are 90° and 150°. What is the third angle (in degrees)?
  19. 19.An angle measures 90°. What kind of angle is it? (a) Straight (b) Right (c) Acute
  20. 20.What is the smaller angle between the hands of a clock at 3 o'clock (in degrees)?
  21. 21.Two angles of a triangle are 90° and 50°. What is the third angle (in degrees)?
  22. 22.Two angles of a triangle are 30° and 20°. What is the third angle (in degrees)?
  23. 23.A right angle is split into two angles. One of them is 5°. What is the other angle (in degrees)?
  24. 24.Two angles of a triangle are 75° and 70°. What is the third angle (in degrees)?
  25. 25.What is the smaller angle between the hands of a clock at 11 o'clock (in degrees)?
  26. 26.An angle measures 80°. What kind of angle is it? (a) Obtuse (b) Acute (c) Straight
  27. 27.Three angles meet at a point. Two of them are 130° and 140°. What is the third angle (in degrees)?
  28. 28.Two angles together make a straight line. One of them is 50°. What is the other angle (in degrees)?
  29. 29.An angle measures 30°. What kind of angle is it? (a) Acute (b) Straight (c) Obtuse
  30. 30.Two angles together make a straight line. One of them is 80°. What is the other angle (in degrees)?
  31. 31.Two angles together make a straight line. One of them is 10°. What is the other angle (in degrees)?
  32. 32.Two angles together make a straight line. One of them is 40°. What is the other angle (in degrees)?
  33. 33.Two angles together make a straight line. One of them is 165°. What is the other angle (in degrees)?
  34. 34.What is the smaller angle between the hands of a clock at 9 o'clock (in degrees)?
  35. 35.Three angles meet at a point. Two of them are 60° and 100°. What is the third angle (in degrees)?
  36. 36.Two angles together make a straight line. One of them is 100°. What is the other angle (in degrees)?
  37. 37.An angle measures 75°. What kind of angle is it? (a) Acute (b) Straight (c) Obtuse
  38. 38.Three angles meet at a point. Two of them are 50° and 220°. What is the third angle (in degrees)?
  39. 39.Two angles of a triangle are 30° and 55°. What is the third angle (in degrees)?
  40. 40.Three angles meet at a point. Two of them are 120° and 70°. What is the third angle (in degrees)?

Answer key

  1. 260
  2. 180
  3. 155
  4. 55
  5. 60
  6. 120
  7. 25
  8. Straight
  9. 60
  10. Obtuse
  11. Obtuse
  12. 30
  13. 35
  14. 25
  15. 75
  16. Obtuse
  17. 10
  18. 120
  19. Right
  20. 90
  21. 40
  22. 130
  23. 85
  24. 35
  25. 30
  26. Acute
  27. 90
  28. 130
  29. Acute
  30. 100
  31. 170
  32. 140
  33. 15
  34. 90
  35. 200
  36. 80
  37. Acute
  38. 90
  39. 95
  40. 170

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