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Class 5 Maths Worksheet: Angles

Maths worksheets lesson 39: Angles · Set 957 · 40 sums
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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.What is the smaller angle between the hands of a clock at 11 o'clock (in degrees)?
  2. 2.An angle measures 180°. What kind of angle is it? (a) Acute (b) Straight (c) Right
  3. 3.Three angles meet at a point. Two of them are 50° and 100°. What is the third angle (in degrees)?
  4. 4.Two angles together make a straight line. One of them is 65°. What is the other angle (in degrees)?
  5. 5.Three angles meet at a point. Two of them are 70° and 200°. What is the third angle (in degrees)?
  6. 6.Two angles of a triangle are 65° and 105°. What is the third angle (in degrees)?
  7. 7.Three angles meet at a point. Two of them are 90° and 150°. What is the third angle (in degrees)?
  8. 8.Two angles of a triangle are 85° and 60°. What is the third angle (in degrees)?
  9. 9.What is the smaller angle between the hands of a clock at 1 o'clock (in degrees)?
  10. 10.An angle measures 90°. What kind of angle is it? (a) Right (b) Straight (c) Acute
  11. 11.Two angles together make a straight line. One of them is 30°. What is the other angle (in degrees)?
  12. 12.A right angle is split into two angles. One of them is 30°. What is the other angle (in degrees)?
  13. 13.What is the smaller angle between the hands of a clock at 6 o'clock (in degrees)?
  14. 14.Three angles meet at a point. Two of them are 140° and 50°. What is the third angle (in degrees)?
  15. 15.Three angles meet at a point. Two of them are 90° and 70°. What is the third angle (in degrees)?
  16. 16.A right angle is split into two angles. One of them is 70°. What is the other angle (in degrees)?
  17. 17.A right angle is split into two angles. One of them is 60°. What is the other angle (in degrees)?
  18. 18.Three angles meet at a point. Two of them are 70° and 210°. What is the third angle (in degrees)?
  19. 19.A right angle is split into two angles. One of them is 40°. What is the other angle (in degrees)?
  20. 20.A right angle is split into two angles. One of them is 15°. What is the other angle (in degrees)?
  21. 21.A right angle is split into two angles. One of them is 35°. What is the other angle (in degrees)?
  22. 22.An angle measures 80°. What kind of angle is it? (a) Acute (b) Straight (c) Right
  23. 23.Three angles meet at a point. Two of them are 150° and 110°. What is the third angle (in degrees)?
  24. 24.Three angles meet at a point. Two of them are 90° and 110°. What is the third angle (in degrees)?
  25. 25.Two angles of a triangle are 45° and 115°. What is the third angle (in degrees)?
  26. 26.Three angles meet at a point. Two of them are 140° and 90°. What is the third angle (in degrees)?
  27. 27.Two angles of a triangle are 25° and 140°. What is the third angle (in degrees)?
  28. 28.Two angles of a triangle are 95° and 65°. What is the third angle (in degrees)?
  29. 29.Two angles together make a straight line. One of them is 75°. What is the other angle (in degrees)?
  30. 30.Three angles meet at a point. Two of them are 100° and 190°. What is the third angle (in degrees)?
  31. 31.Two angles of a triangle are 70° and 80°. What is the third angle (in degrees)?
  32. 32.Two angles together make a straight line. One of them is 10°. What is the other angle (in degrees)?
  33. 33.Two angles together make a straight line. One of them is 125°. What is the other angle (in degrees)?
  34. 34.A right angle is split into two angles. One of them is 45°. What is the other angle (in degrees)?
  35. 35.Three angles meet at a point. Two of them are 100° and 80°. What is the third angle (in degrees)?
  36. 36.What is the smaller angle between the hands of a clock at 5 o'clock (in degrees)?
  37. 37.Two angles together make a straight line. One of them is 105°. What is the other angle (in degrees)?
  38. 38.A right angle is split into two angles. One of them is 65°. What is the other angle (in degrees)?
  39. 39.A right angle is split into two angles. One of them is 20°. 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. 30
  2. Straight
  3. 210
  4. 115
  5. 90
  6. 10
  7. 120
  8. 35
  9. 30
  10. Right
  11. 150
  12. 60
  13. 180
  14. 170
  15. 200
  16. 20
  17. 30
  18. 80
  19. 50
  20. 75
  21. 55
  22. Acute
  23. 100
  24. 160
  25. 20
  26. 130
  27. 15
  28. 20
  29. 105
  30. 70
  31. 30
  32. 170
  33. 55
  34. 45
  35. 180
  36. 150
  37. 75
  38. 25
  39. 70
  40. 90

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