← Angles lesson New set →

Class 5 Maths Worksheet: Angles

Maths worksheets lesson 39: Angles · Set 781 · 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 110°. What is the other angle (in degrees)?
  2. 2.A right angle is split into two angles. One of them is 35°. What is the other angle (in degrees)?
  3. 3.Two angles of a triangle are 95° and 25°. What is the third angle (in degrees)?
  4. 4.What is the smaller angle between the hands of a clock at 6 o'clock (in degrees)?
  5. 5.Three angles meet at a point. Two of them are 150° and 60°. What is the third angle (in degrees)?
  6. 6.A right angle is split into two angles. One of them is 10°. What is the other 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 70° and 140°. What is the third angle (in degrees)?
  9. 9.A right angle is split into two angles. One of them is 85°. What is the other angle (in degrees)?
  10. 10.Two angles of a triangle are 25° and 20°. What is the third angle (in degrees)?
  11. 11.Three angles meet at a point. Two of them are 90° and 70°. What is the third angle (in degrees)?
  12. 12.What is the smaller angle between the hands of a clock at 10 o'clock (in degrees)?
  13. 13.Two angles together make a straight line. One of them is 160°. What is the other angle (in degrees)?
  14. 14.An angle measures 35°. What kind of angle is it? (a) Straight (b) Acute (c) Right
  15. 15.A right angle is split into two angles. One of them is 25°. What is the other angle (in degrees)?
  16. 16.Two angles of a triangle are 35° and 40°. What is the third angle (in degrees)?
  17. 17.A right angle is split into two angles. One of them is 65°. What is the other angle (in degrees)?
  18. 18.Three angles meet at a point. Two of them are 90° and 120°. What is the third angle (in degrees)?
  19. 19.A right angle is split into two angles. One of them is 55°. What is the other angle (in degrees)?
  20. 20.Two angles of a triangle are 75° and 80°. What is the third angle (in degrees)?
  21. 21.Three angles meet at a point. Two of them are 100° and 170°. What is the third angle (in degrees)?
  22. 22.An angle measures 175°. What kind of angle is it? (a) Acute (b) Right (c) Obtuse
  23. 23.Two angles together make a straight line. One of them is 15°. What is the other angle (in degrees)?
  24. 24.Two angles of a triangle are 20° and 105°. What is the third angle (in degrees)?
  25. 25.Three angles meet at a point. Two of them are 90° and 190°. What is the third angle (in degrees)?
  26. 26.Three angles meet at a point. Two of them are 60° and 240°. What is the third angle (in degrees)?
  27. 27.A right angle is split into two angles. One of them is 15°. What is the other angle (in degrees)?
  28. 28.Two angles together make a straight line. One of them is 25°. What is the other angle (in degrees)?
  29. 29.Two angles together make a straight line. One of them is 105°. What is the other angle (in degrees)?
  30. 30.Two angles of a triangle are 45° and 75°. What is the third angle (in degrees)?
  31. 31.Two angles of a triangle are 40° and 115°. What is the third angle (in degrees)?
  32. 32.An angle measures 180°. What kind of angle is it? (a) Obtuse (b) Right (c) Straight
  33. 33.What is the smaller angle between the hands of a clock at 4 o'clock (in degrees)?
  34. 34.Two angles of a triangle are 55° and 120°. What is the third angle (in degrees)?
  35. 35.An angle measures 25°. What kind of angle is it? (a) Acute (b) Right (c) Straight
  36. 36.Three angles meet at a point. Two of them are 90° and 80°. What is the third angle (in degrees)?
  37. 37.Two angles of a triangle are 30° and 40°. What is the third angle (in degrees)?
  38. 38.A right angle is split into two angles. One of them is 5°. What is the other angle (in degrees)?
  39. 39.Three angles meet at a point. Two of them are 120° and 130°. What is the third angle (in degrees)?
  40. 40.Two angles together make a straight line. One of them is 145°. What is the other angle (in degrees)?

Answer key

  1. 70
  2. 55
  3. 60
  4. 180
  5. 150
  6. 80
  7. 40
  8. 150
  9. 5
  10. 135
  11. 200
  12. 60
  13. 20
  14. Acute
  15. 65
  16. 105
  17. 25
  18. 150
  19. 35
  20. 25
  21. 90
  22. Obtuse
  23. 165
  24. 55
  25. 80
  26. 60
  27. 75
  28. 155
  29. 75
  30. 60
  31. 25
  32. Straight
  33. 120
  34. 5
  35. Acute
  36. 190
  37. 110
  38. 85
  39. 110
  40. 35

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