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Class 5 Maths Worksheet: Angles

Maths worksheets lesson 39: Angles · Set 930 · 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.What is the smaller angle between the hands of a clock at 2 o'clock (in degrees)?
  2. 2.Three angles meet at a point. Two of them are 70° and 230°. What is the third angle (in degrees)?
  3. 3.A right angle is split into two angles. One of them is 85°. What is the other angle (in degrees)?
  4. 4.Two angles together make a straight line. One of them is 155°. What is the other angle (in degrees)?
  5. 5.Two angles of a triangle are 65° and 100°. What is the third angle (in degrees)?
  6. 6.Two angles together make a straight line. One of them is 25°. What is the other angle (in degrees)?
  7. 7.Two angles of a triangle are 75° and 20°. What is the third angle (in degrees)?
  8. 8.An angle measures 180°. What kind of angle is it? (a) Straight (b) Obtuse (c) Right
  9. 9.An angle measures 90°. What kind of angle is it? (a) Straight (b) Right (c) Acute
  10. 10.Two angles together make a straight line. One of them is 60°. What is the other angle (in degrees)?
  11. 11.An angle measures 135°. What kind of angle is it? (a) Acute (b) Obtuse (c) Right
  12. 12.A right angle is split into two angles. One of them is 10°. What is the other angle (in degrees)?
  13. 13.A right angle is split into two angles. One of them is 15°. What is the other angle (in degrees)?
  14. 14.Two angles of a triangle are 20° and 135°. What is the third angle (in degrees)?
  15. 15.A right angle is split into two angles. One of them is 5°. What is the other angle (in degrees)?
  16. 16.Three angles meet at a point. Two of them are 140° and 90°. What is the third angle (in degrees)?
  17. 17.Two angles of a triangle are 20° and 145°. What is the third angle (in degrees)?
  18. 18.Two angles together make a straight line. One of them is 70°. What is the other angle (in degrees)?
  19. 19.Two angles together make a straight line. One of them is 120°. What is the other angle (in degrees)?
  20. 20.Two angles of a triangle are 55° and 30°. What is the third angle (in degrees)?
  21. 21.Two angles of a triangle are 40° and 35°. What is the third angle (in degrees)?
  22. 22.What is the smaller angle between the hands of a clock at 7 o'clock (in degrees)?
  23. 23.Two angles of a triangle are 50° and 90°. What is the third angle (in degrees)?
  24. 24.What is the smaller angle between the hands of a clock at 1 o'clock (in degrees)?
  25. 25.An angle measures 50°. What kind of angle is it? (a) Acute (b) Obtuse (c) Right
  26. 26.Three angles meet at a point. Two of them are 140° and 150°. What is the third angle (in degrees)?
  27. 27.Two angles together make a straight line. One of them is 95°. What is the other angle (in degrees)?
  28. 28.Two angles together make a straight line. One of them is 35°. What is the other angle (in degrees)?
  29. 29.Two angles together make a straight line. One of them is 45°. What is the other angle (in degrees)?
  30. 30.Two angles together make a straight line. One of them is 160°. What is the other angle (in degrees)?
  31. 31.A right angle is split into two angles. One of them is 35°. What is the other angle (in degrees)?
  32. 32.Two angles of a triangle are 85° and 65°. What is the third angle (in degrees)?
  33. 33.Three angles meet at a point. Two of them are 150° and 140°. What is the third angle (in degrees)?
  34. 34.A right angle is split into two angles. One of them is 65°. What is the other angle (in degrees)?
  35. 35.Two angles together make a straight line. One of them is 10°. What is the other angle (in degrees)?
  36. 36.Two angles together make a straight line. One of them is 130°. What is the other angle (in degrees)?
  37. 37.What is the smaller angle between the hands of a clock at 6 o'clock (in degrees)?
  38. 38.Three angles meet at a point. Two of them are 120° and 60°. What is the third angle (in degrees)?
  39. 39.Two angles of a triangle are 45° and 25°. What is the third angle (in degrees)?
  40. 40.Three angles meet at a point. Two of them are 60° and 70°. What is the third angle (in degrees)?

Answer key

  1. 60
  2. 60
  3. 5
  4. 25
  5. 15
  6. 155
  7. 85
  8. Straight
  9. Right
  10. 120
  11. Obtuse
  12. 80
  13. 75
  14. 25
  15. 85
  16. 130
  17. 15
  18. 110
  19. 60
  20. 95
  21. 105
  22. 150
  23. 40
  24. 30
  25. Acute
  26. 70
  27. 85
  28. 145
  29. 135
  30. 20
  31. 55
  32. 30
  33. 70
  34. 25
  35. 170
  36. 50
  37. 180
  38. 180
  39. 110
  40. 230

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