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Class 5 Maths Worksheet: Angles

Maths worksheets lesson 39: Angles · Set 360 · 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 190°. What is the third angle (in degrees)?
  2. 2.An angle measures 150°. What kind of angle is it? (a) Acute (b) Obtuse (c) Right
  3. 3.Three angles meet at a point. Two of them are 80° and 130°. What is the third angle (in degrees)?
  4. 4.Two angles together make a straight line. One of them is 60°. What is the other angle (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.An angle measures 180°. What kind of angle is it? (a) Acute (b) Obtuse (c) Straight
  7. 7.Three angles meet at a point. Two of them are 50° and 70°. What is the third angle (in degrees)?
  8. 8.A right angle is split into two angles. One of them is 50°. What is the other angle (in degrees)?
  9. 9.What is the smaller angle between the hands of a clock at 11 o'clock (in degrees)?
  10. 10.An angle measures 100°. What kind of angle is it? (a) Right (b) Straight (c) Obtuse
  11. 11.Two angles together make a straight line. One of them is 50°. 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 of a triangle are 35° and 60°. What is the third angle (in degrees)?
  14. 14.Two angles together make a straight line. One of them is 165°. What is the other angle (in degrees)?
  15. 15.An angle measures 175°. What kind of angle is it? (a) Right (b) Obtuse (c) Straight
  16. 16.Two angles together make a straight line. One of them is 160°. What is the other angle (in degrees)?
  17. 17.A right angle is split into two angles. One of them is 5°. What is the other angle (in degrees)?
  18. 18.A right angle is split into two angles. One of them is 35°. What is the other angle (in degrees)?
  19. 19.Two angles together make a straight line. One of them is 55°. What is the other angle (in degrees)?
  20. 20.An angle measures 35°. What kind of angle is it? (a) Straight (b) Right (c) Acute
  21. 21.A right angle is split into two angles. One of them is 45°. What is the other angle (in degrees)?
  22. 22.An angle measures 160°. What kind of angle is it? (a) Obtuse (b) Straight (c) Acute
  23. 23.Two angles of a triangle are 40° and 45°. What is the third angle (in degrees)?
  24. 24.Two angles together make a straight line. One of them is 90°. What is the other angle (in degrees)?
  25. 25.Two angles together make a straight line. One of them is 135°. What is the other angle (in degrees)?
  26. 26.A right angle is split into two angles. One of them is 80°. What is the other angle (in degrees)?
  27. 27.What is the smaller angle between the hands of a clock at 5 o'clock (in degrees)?
  28. 28.What is the smaller angle between the hands of a clock at 3 o'clock (in degrees)?
  29. 29.A right angle is split into two angles. One of them is 55°. What is the other angle (in degrees)?
  30. 30.Three angles meet at a point. Two of them are 70° and 110°. What is the third angle (in degrees)?
  31. 31.Two angles of a triangle are 25° and 30°. What is the third angle (in degrees)?
  32. 32.An angle measures 90°. What kind of angle is it? (a) Right (b) Obtuse (c) Straight
  33. 33.What is the smaller angle between the hands of a clock at 2 o'clock (in degrees)?
  34. 34.Two angles together make a straight line. One of them is 140°. What is the other angle (in degrees)?
  35. 35.Three angles meet at a point. Two of them are 90° and 160°. What is the third angle (in degrees)?
  36. 36.An angle measures 155°. What kind of angle is it? (a) Obtuse (b) Right (c) Acute
  37. 37.Three angles meet at a point. Two of them are 130° and 50°. What is the third angle (in degrees)?
  38. 38.Two angles together make a straight line. One of them is 130°. What is the other angle (in degrees)?
  39. 39.What is the smaller angle between the hands of a clock at 8 o'clock (in degrees)?
  40. 40.Three angles meet at a point. Two of them are 150° and 80°. What is the third angle (in degrees)?

Answer key

  1. 110
  2. Obtuse
  3. 150
  4. 120
  5. 15
  6. Straight
  7. 240
  8. 40
  9. 30
  10. Obtuse
  11. 130
  12. 30
  13. 85
  14. 15
  15. Obtuse
  16. 20
  17. 85
  18. 55
  19. 125
  20. Acute
  21. 45
  22. Obtuse
  23. 95
  24. 90
  25. 45
  26. 10
  27. 150
  28. 90
  29. 35
  30. 180
  31. 125
  32. Right
  33. 60
  34. 40
  35. 110
  36. Obtuse
  37. 180
  38. 50
  39. 120
  40. 130

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