← Angles lesson New set →

Class 5 Maths Worksheet: Angles

Maths worksheets lesson 39: Angles · Set 477 · 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 of a triangle are 50° and 65°. What is the third angle (in degrees)?
  2. 2.Two angles together make a straight line. One of them is 50°. What is the other angle (in degrees)?
  3. 3.Two angles together make a straight line. One of them is 125°. What is the other angle (in degrees)?
  4. 4.Three angles meet at a point. Two of them are 60° and 60°. What is the third angle (in degrees)?
  5. 5.Two angles together make a straight line. One of them is 165°. What is the other angle (in degrees)?
  6. 6.Two angles of a triangle are 40° and 95°. What is the third angle (in degrees)?
  7. 7.Three angles meet at a point. Two of them are 140° and 60°. What is the third angle (in degrees)?
  8. 8.Three angles meet at a point. Two of them are 120° and 180°. What is the third angle (in degrees)?
  9. 9.What is the smaller angle between the hands of a clock at 2 o'clock (in degrees)?
  10. 10.Two angles together make a straight line. One of them is 55°. What is the other angle (in degrees)?
  11. 11.Two angles of a triangle are 50° and 120°. What is the third angle (in degrees)?
  12. 12.Two angles of a triangle are 40° and 50°. What is the third angle (in degrees)?
  13. 13.Two angles together make a straight line. One of them is 15°. What is the other angle (in degrees)?
  14. 14.A right angle is split into two angles. One of them is 40°. What is the other angle (in degrees)?
  15. 15.What is the smaller angle between the hands of a clock at 7 o'clock (in degrees)?
  16. 16.A right angle is split into two angles. One of them is 45°. What is the other angle (in degrees)?
  17. 17.Two angles together make a straight line. One of them is 40°. What is the other angle (in degrees)?
  18. 18.A right angle is split into two angles. One of them is 85°. What is the other angle (in degrees)?
  19. 19.An angle measures 180°. What kind of angle is it? (a) Acute (b) Right (c) Straight
  20. 20.Three angles meet at a point. Two of them are 50° and 190°. What is the third angle (in degrees)?
  21. 21.What is the smaller angle between the hands of a clock at 5 o'clock (in degrees)?
  22. 22.Two angles together make a straight line. One of them is 135°. What is the other angle (in degrees)?
  23. 23.Two angles of a triangle are 95° and 45°. What is the third angle (in degrees)?
  24. 24.A right angle is split into two angles. One of them is 25°. What is the other angle (in degrees)?
  25. 25.Two angles together make a straight line. One of them is 110°. What is the other angle (in degrees)?
  26. 26.A right angle is split into two angles. One of them is 55°. What is the other angle (in degrees)?
  27. 27.A right angle is split into two angles. One of them is 35°. What is the other angle (in degrees)?
  28. 28.Two angles together make a straight line. One of them is 170°. What is the other angle (in degrees)?
  29. 29.A right angle is split into two angles. One of them is 60°. What is the other angle (in degrees)?
  30. 30.Three angles meet at a point. Two of them are 120° and 100°. What is the third angle (in degrees)?
  31. 31.Two angles together make a straight line. One of them is 70°. What is the other angle (in degrees)?
  32. 32.Two angles of a triangle are 30° and 35°. What is the third angle (in degrees)?
  33. 33.Two angles together make a straight line. One of them is 130°. What is the other angle (in degrees)?
  34. 34.Two angles together make a straight line. One of them is 90°. What is the other angle (in degrees)?
  35. 35.An angle measures 90°. What kind of angle is it? (a) Straight (b) Right (c) Acute
  36. 36.An angle measures 45°. What kind of angle is it? (a) Acute (b) Right (c) Obtuse
  37. 37.Three angles meet at a point. Two of them are 90° and 50°. What is the third angle (in degrees)?
  38. 38.Two angles of a triangle are 55° and 85°. What is the third angle (in degrees)?
  39. 39.What is the smaller angle between the hands of a clock at 6 o'clock (in degrees)?
  40. 40.Two angles of a triangle are 80° and 60°. What is the third angle (in degrees)?

Answer key

  1. 65
  2. 130
  3. 55
  4. 240
  5. 15
  6. 45
  7. 160
  8. 60
  9. 60
  10. 125
  11. 10
  12. 90
  13. 165
  14. 50
  15. 150
  16. 45
  17. 140
  18. 5
  19. Straight
  20. 120
  21. 150
  22. 45
  23. 40
  24. 65
  25. 70
  26. 35
  27. 55
  28. 10
  29. 30
  30. 140
  31. 110
  32. 115
  33. 50
  34. 90
  35. Right
  36. Acute
  37. 220
  38. 40
  39. 180
  40. 40

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