← Angles lesson New set →

Class 5 Maths Worksheet: Angles

Maths worksheets lesson 39: Angles · Set 696 · 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 60° and 90°. What is the third angle (in degrees)?
  2. 2.Two angles together make a straight line. One of them is 30°. What is the other angle (in degrees)?
  3. 3.Two angles of a triangle are 25° and 20°. What is the third angle (in degrees)?
  4. 4.What is the smaller angle between the hands of a clock at 5 o'clock (in degrees)?
  5. 5.A right angle is split into two angles. One of them is 75°. What is the other angle (in degrees)?
  6. 6.What is the smaller angle between the hands of a clock at 2 o'clock (in degrees)?
  7. 7.A right angle is split into two angles. One of them is 55°. What is the other angle (in degrees)?
  8. 8.An angle measures 45°. What kind of angle is it? (a) Acute (b) Straight (c) Right
  9. 9.An angle measures 25°. What kind of angle is it? (a) Right (b) Acute (c) Obtuse
  10. 10.Two angles of a triangle are 95° and 55°. What is the third angle (in degrees)?
  11. 11.Two angles together make a straight line. One of them is 160°. What is the other angle (in degrees)?
  12. 12.Two angles together make a straight line. One of them is 150°. What is the other angle (in degrees)?
  13. 13.Two angles together make a straight line. One of them is 20°. What is the other angle (in degrees)?
  14. 14.Two angles of a triangle are 25° and 110°. What is the third angle (in degrees)?
  15. 15.Two angles together make a straight line. One of them is 65°. What is the other angle (in degrees)?
  16. 16.An angle measures 90°. What kind of angle is it? (a) Acute (b) Obtuse (c) Right
  17. 17.An angle measures 15°. What kind of angle is it? (a) Acute (b) Right (c) Straight
  18. 18.Two angles together make a straight line. One of them is 80°. What is the other angle (in degrees)?
  19. 19.An angle measures 50°. What kind of angle is it? (a) Obtuse (b) Right (c) Acute
  20. 20.Two angles of a triangle are 60° and 45°. What is the third angle (in degrees)?
  21. 21.Two angles of a triangle are 25° and 85°. What is the third angle (in degrees)?
  22. 22.Two angles of a triangle are 40° and 105°. What is the third angle (in degrees)?
  23. 23.Two angles together make a straight line. One of them is 130°. What is the other angle (in degrees)?
  24. 24.A right angle is split into two angles. One of them is 5°. What is the other angle (in degrees)?
  25. 25.What is the smaller angle between the hands of a clock at 7 o'clock (in degrees)?
  26. 26.A right angle is split into two angles. One of them is 10°. What is the other angle (in degrees)?
  27. 27.Three angles meet at a point. Two of them are 150° and 130°. What is the third angle (in degrees)?
  28. 28.An angle measures 105°. What kind of angle is it? (a) Straight (b) Right (c) Obtuse
  29. 29.Two angles together make a straight line. One of them is 115°. What is the other angle (in degrees)?
  30. 30.Three angles meet at a point. Two of them are 90° and 80°. What is the third angle (in degrees)?
  31. 31.What is the smaller angle between the hands of a clock at 3 o'clock (in degrees)?
  32. 32.Three angles meet at a point. Two of them are 100° and 200°. What is the third angle (in degrees)?
  33. 33.Three angles meet at a point. Two of them are 60° and 60°. What is the third angle (in degrees)?
  34. 34.A right angle is split into two angles. One of them is 60°. What is the other angle (in degrees)?
  35. 35.Two angles together make a straight line. One of them is 25°. What is the other angle (in degrees)?
  36. 36.Two angles of a triangle are 80° and 35°. What is the third angle (in degrees)?
  37. 37.Three angles meet at a point. Two of them are 50° and 80°. What is the third angle (in degrees)?
  38. 38.A right angle is split into two angles. One of them is 50°. What is the other angle (in degrees)?
  39. 39.Two angles of a triangle are 50° and 20°. 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. 210
  2. 150
  3. 135
  4. 150
  5. 15
  6. 60
  7. 35
  8. Acute
  9. Acute
  10. 30
  11. 20
  12. 30
  13. 160
  14. 45
  15. 115
  16. Right
  17. Acute
  18. 100
  19. Acute
  20. 75
  21. 70
  22. 35
  23. 50
  24. 85
  25. 150
  26. 80
  27. 80
  28. Obtuse
  29. 65
  30. 190
  31. 90
  32. 60
  33. 240
  34. 30
  35. 155
  36. 65
  37. 230
  38. 40
  39. 110
  40. 35

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