← Angles lesson New set →

Class 5 Maths Worksheet: Angles

Maths worksheets lesson 39: Angles · Set 63 · 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 130°. What is the other angle (in degrees)?
  2. 2.An angle measures 180°. What kind of angle is it? (a) Obtuse (b) Acute (c) Straight
  3. 3.Two angles of a triangle are 30° and 25°. What is the third angle (in degrees)?
  4. 4.Two angles of a triangle are 65° and 60°. What is the third angle (in degrees)?
  5. 5.What is the smaller angle between the hands of a clock at 5 o'clock (in degrees)?
  6. 6.Three angles meet at a point. Two of them are 60° and 240°. What is the third angle (in degrees)?
  7. 7.Two angles together make a straight line. One of them is 25°. What is the other angle (in degrees)?
  8. 8.Two angles of a triangle are 35° and 30°. What is the third angle (in degrees)?
  9. 9.Three angles meet at a point. Two of them are 60° and 70°. What is the third angle (in degrees)?
  10. 10.A right angle is split into two angles. One of them is 5°. What is the other angle (in degrees)?
  11. 11.Two angles of a triangle are 45° and 85°. What is the third angle (in degrees)?
  12. 12.An angle measures 90°. What kind of angle is it? (a) Acute (b) Right (c) Straight
  13. 13.A right angle is split into two angles. One of them is 50°. What is the other angle (in degrees)?
  14. 14.Three angles meet at a point. Two of them are 90° and 70°. What is the third angle (in degrees)?
  15. 15.Two angles of a triangle are 80° and 45°. What is the third angle (in degrees)?
  16. 16.An angle measures 65°. What kind of angle is it? (a) Straight (b) Acute (c) Right
  17. 17.An angle measures 105°. What kind of angle is it? (a) Right (b) Acute (c) Obtuse
  18. 18.What is the smaller angle between the hands of a clock at 8 o'clock (in degrees)?
  19. 19.A right angle is split into two angles. One of them is 75°. What is the other angle (in degrees)?
  20. 20.Three angles meet at a point. Two of them are 50° and 180°. What is the third angle (in degrees)?
  21. 21.Two angles together make a straight line. One of them is 110°. What is the other angle (in degrees)?
  22. 22.Two angles of a triangle are 35° and 65°. What is the third angle (in degrees)?
  23. 23.Two angles together make a straight line. One of them is 40°. What is the other angle (in degrees)?
  24. 24.An angle measures 175°. What kind of angle is it? (a) Acute (b) Right (c) Obtuse
  25. 25.Three angles meet at a point. Two of them are 50° and 50°. What is the third angle (in degrees)?
  26. 26.Three angles meet at a point. Two of them are 150° and 50°. What is the third angle (in degrees)?
  27. 27.Two angles together make a straight line. One of them is 35°. What is the other angle (in degrees)?
  28. 28.Three angles meet at a point. Two of them are 50° and 230°. What is the third angle (in degrees)?
  29. 29.Two angles together make a straight line. One of them is 95°. What is the other angle (in degrees)?
  30. 30.Two angles of a triangle are 95° and 75°. What is the third angle (in degrees)?
  31. 31.Three angles meet at a point. Two of them are 60° and 50°. What is the third angle (in degrees)?
  32. 32.What is the smaller angle between the hands of a clock at 6 o'clock (in degrees)?
  33. 33.Two angles of a triangle are 55° and 30°. What is the third angle (in degrees)?
  34. 34.Two angles together make a straight line. One of them is 10°. What is the other angle (in degrees)?
  35. 35.Three angles meet at a point. Two of them are 130° and 80°. What is the third angle (in degrees)?
  36. 36.Two angles together make a straight line. One of them is 45°. What is the other angle (in degrees)?
  37. 37.What is the smaller angle between the hands of a clock at 2 o'clock (in degrees)?
  38. 38.Two angles of a triangle are 20° and 55°. What is the third angle (in degrees)?
  39. 39.Two angles together make a straight line. One of them is 65°. What is the other angle (in degrees)?
  40. 40.What is the smaller angle between the hands of a clock at 9 o'clock (in degrees)?

Answer key

  1. 50
  2. Straight
  3. 125
  4. 55
  5. 150
  6. 60
  7. 155
  8. 115
  9. 230
  10. 85
  11. 50
  12. Right
  13. 40
  14. 200
  15. 55
  16. Acute
  17. Obtuse
  18. 120
  19. 15
  20. 130
  21. 70
  22. 80
  23. 140
  24. Obtuse
  25. 260
  26. 160
  27. 145
  28. 80
  29. 85
  30. 10
  31. 250
  32. 180
  33. 95
  34. 170
  35. 150
  36. 135
  37. 60
  38. 105
  39. 115
  40. 90

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