← Angles lesson New set →

Class 5 Maths Worksheet: Angles

Maths worksheets lesson 39: Angles · Set 660 · 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 15°. What is the other angle (in degrees)?
  2. 2.Two angles of a triangle are 55° and 30°. What is the third angle (in degrees)?
  3. 3.An angle measures 90°. What kind of angle is it? (a) Acute (b) Right (c) Obtuse
  4. 4.What is the smaller angle between the hands of a clock at 4 o'clock (in degrees)?
  5. 5.Two angles together make a straight line. One of them is 30°. What is the other angle (in degrees)?
  6. 6.An angle measures 180°. What kind of angle is it? (a) Right (b) Straight (c) Acute
  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 130° and 120°. What is the third angle (in degrees)?
  9. 9.Two angles together make a straight line. One of them is 110°. What is the other angle (in degrees)?
  10. 10.Three angles meet at a point. Two of them are 110° and 180°. What is the third angle (in degrees)?
  11. 11.Three angles meet at a point. Two of them are 130° and 50°. What is the third angle (in degrees)?
  12. 12.Two angles together make a straight line. One of them is 95°. What is the other angle (in degrees)?
  13. 13.Two angles together make a straight line. One of them is 45°. What is the other angle (in degrees)?
  14. 14.Two angles of a triangle are 20° and 120°. What is the third angle (in degrees)?
  15. 15.A right angle is split into two angles. One of them is 50°. What is the other angle (in degrees)?
  16. 16.Three angles meet at a point. Two of them are 80° and 100°. What is the third angle (in degrees)?
  17. 17.Two angles of a triangle are 80° and 35°. What is the third angle (in degrees)?
  18. 18.What is the smaller angle between the hands of a clock at 5 o'clock (in degrees)?
  19. 19.A right angle is split into two angles. One of them is 5°. What is the other angle (in degrees)?
  20. 20.A right angle is split into two angles. One of them is 30°. What is the other angle (in degrees)?
  21. 21.An angle measures 55°. What kind of angle is it? (a) Obtuse (b) Acute (c) Right
  22. 22.Two angles of a triangle are 100° and 70°. What is the third angle (in degrees)?
  23. 23.Three angles meet at a point. Two of them are 80° and 200°. What is the third angle (in degrees)?
  24. 24.Three angles meet at a point. Two of them are 50° and 140°. What is the third angle (in degrees)?
  25. 25.What is the smaller angle between the hands of a clock at 9 o'clock (in degrees)?
  26. 26.Two angles of a triangle are 60° and 90°. What is the third angle (in degrees)?
  27. 27.Two angles together make a straight line. One of them is 105°. What is the other angle (in degrees)?
  28. 28.Three angles meet at a point. Two of them are 120° and 60°. What is the third angle (in degrees)?
  29. 29.Three angles meet at a point. Two of them are 50° and 120°. What is the third angle (in degrees)?
  30. 30.Two angles of a triangle are 70° and 105°. What is the third angle (in degrees)?
  31. 31.Two angles together make a straight line. One of them is 125°. What is the other angle (in degrees)?
  32. 32.Three angles meet at a point. Two of them are 70° and 170°. What is the third angle (in degrees)?
  33. 33.A right angle is split into two angles. One of them is 60°. What is the other angle (in degrees)?
  34. 34.Three angles meet at a point. Two of them are 140° and 80°. What is the third angle (in degrees)?
  35. 35.An angle measures 110°. What kind of angle is it? (a) Right (b) Obtuse (c) Acute
  36. 36.Three angles meet at a point. Two of them are 130° and 100°. What is the third angle (in degrees)?
  37. 37.An angle measures 80°. What kind of angle is it? (a) Right (b) Straight (c) Acute
  38. 38.Three angles meet at a point. Two of them are 50° and 80°. What is the third angle (in degrees)?
  39. 39.Two angles together make a straight line. One of them is 130°. What is the other angle (in degrees)?
  40. 40.Two angles together make a straight line. One of them is 35°. What is the other angle (in degrees)?

Answer key

  1. 165
  2. 95
  3. Right
  4. 120
  5. 150
  6. Straight
  7. 150
  8. 110
  9. 70
  10. 70
  11. 180
  12. 85
  13. 135
  14. 40
  15. 40
  16. 180
  17. 65
  18. 150
  19. 85
  20. 60
  21. Acute
  22. 10
  23. 80
  24. 170
  25. 90
  26. 30
  27. 75
  28. 180
  29. 190
  30. 5
  31. 55
  32. 120
  33. 30
  34. 140
  35. Obtuse
  36. 130
  37. Acute
  38. 230
  39. 50
  40. 145

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