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Class 5 Maths Worksheet: Angles

Maths worksheets lesson 39: Angles · Set 982 · 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.An angle measures 90°. What kind of angle is it? (a) Straight (b) Acute (c) Right
  2. 2.Three angles meet at a point. Two of them are 130° and 50°. What is the third angle (in degrees)?
  3. 3.Two angles together make a straight line. One of them is 160°. What is the other angle (in degrees)?
  4. 4.What is the smaller angle between the hands of a clock at 7 o'clock (in degrees)?
  5. 5.Two angles of a triangle are 60° and 30°. What is the third angle (in degrees)?
  6. 6.An angle measures 105°. What kind of angle is it? (a) Acute (b) Straight (c) Obtuse
  7. 7.What is the smaller angle between the hands of a clock at 9 o'clock (in degrees)?
  8. 8.Three angles meet at a point. Two of them are 130° and 60°. What is the third angle (in degrees)?
  9. 9.Two angles of a triangle are 75° and 40°. What is the third angle (in degrees)?
  10. 10.Two angles together make a straight line. One of them is 95°. What is the other angle (in degrees)?
  11. 11.Two angles together make a straight line. One of them is 135°. What is the other angle (in degrees)?
  12. 12.What is the smaller angle between the hands of a clock at 4 o'clock (in degrees)?
  13. 13.Two angles together make a straight line. One of them is 40°. What is the other angle (in degrees)?
  14. 14.An angle measures 65°. What kind of angle is it? (a) Straight (b) Right (c) Acute
  15. 15.An angle measures 180°. What kind of angle is it? (a) Right (b) Obtuse (c) Straight
  16. 16.Three angles meet at a point. Two of them are 70° and 120°. What is the third angle (in degrees)?
  17. 17.Two angles together make a straight line. One of them is 140°. What is the other angle (in degrees)?
  18. 18.Two angles of a triangle are 30° and 20°. What is the third angle (in degrees)?
  19. 19.Three angles meet at a point. Two of them are 70° and 190°. What is the third angle (in degrees)?
  20. 20.Three angles meet at a point. Two of them are 100° and 80°. What is the third angle (in degrees)?
  21. 21.Two angles together make a straight line. One of them is 65°. What is the other angle (in degrees)?
  22. 22.Two angles together make a straight line. One of them is 115°. What is the other angle (in degrees)?
  23. 23.Three angles meet at a point. Two of them are 70° and 90°. What is the third angle (in degrees)?
  24. 24.A right angle is split into two angles. One of them is 45°. What is the other angle (in degrees)?
  25. 25.Three angles meet at a point. Two of them are 130° and 150°. What is the third angle (in degrees)?
  26. 26.Two angles of a triangle are 85° and 60°. What is the third angle (in degrees)?
  27. 27.Two angles together make a straight line. One of them is 120°. What is the other angle (in degrees)?
  28. 28.Two angles together make a straight line. One of them is 20°. What is the other angle (in degrees)?
  29. 29.What is the smaller angle between the hands of a clock at 1 o'clock (in degrees)?
  30. 30.A right angle is split into two angles. One of them is 70°. What is the other angle (in degrees)?
  31. 31.Three angles meet at a point. Two of them are 110° and 180°. What is the third angle (in degrees)?
  32. 32.Two angles of a triangle are 35° and 85°. What is the third angle (in degrees)?
  33. 33.Two angles together make a straight line. One of them is 25°. What is the other angle (in degrees)?
  34. 34.An angle measures 60°. What kind of angle is it? (a) Obtuse (b) Acute (c) Right
  35. 35.A right angle is split into two angles. One of them is 40°. What is the other angle (in degrees)?
  36. 36.Three angles meet at a point. Two of them are 70° and 210°. What is the third angle (in degrees)?
  37. 37.Two angles of a triangle are 25° and 45°. What is the third angle (in degrees)?
  38. 38.Two angles of a triangle are 60° and 90°. What is the third angle (in degrees)?
  39. 39.What is the smaller angle between the hands of a clock at 8 o'clock (in degrees)?
  40. 40.An angle measures 85°. What kind of angle is it? (a) Obtuse (b) Right (c) Acute

Answer key

  1. Right
  2. 180
  3. 20
  4. 150
  5. 90
  6. Obtuse
  7. 90
  8. 170
  9. 65
  10. 85
  11. 45
  12. 120
  13. 140
  14. Acute
  15. Straight
  16. 170
  17. 40
  18. 130
  19. 100
  20. 180
  21. 115
  22. 65
  23. 200
  24. 45
  25. 80
  26. 35
  27. 60
  28. 160
  29. 30
  30. 20
  31. 70
  32. 60
  33. 155
  34. Acute
  35. 50
  36. 80
  37. 110
  38. 30
  39. 120
  40. Acute

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