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Class 5 Maths Worksheet: Angles

Maths worksheets lesson 39: Angles · Set 793 · 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 7 o'clock (in degrees)?
  2. 2.An angle measures 60°. What kind of angle is it? (a) Straight (b) Obtuse (c) Acute
  3. 3.Three angles meet at a point. Two of them are 130° and 150°. What is the third angle (in degrees)?
  4. 4.Two angles together make a straight line. One of them is 140°. What is the other angle (in degrees)?
  5. 5.Two angles together make a straight line. One of them is 125°. What is the other angle (in degrees)?
  6. 6.What is the smaller angle between the hands of a clock at 1 o'clock (in degrees)?
  7. 7.What is the smaller angle between the hands of a clock at 8 o'clock (in degrees)?
  8. 8.Three angles meet at a point. Two of them are 70° and 90°. What is the third angle (in degrees)?
  9. 9.Two angles together make a straight line. One of them is 15°. What is the other angle (in degrees)?
  10. 10.Two angles of a triangle are 80° and 95°. What is the third angle (in degrees)?
  11. 11.An angle measures 180°. What kind of angle is it? (a) Straight (b) Acute (c) Obtuse
  12. 12.Three angles meet at a point. Two of them are 110° and 70°. What is the third angle (in degrees)?
  13. 13.A right angle is split into two angles. One of them is 55°. What is the other angle (in degrees)?
  14. 14.Two angles together make a straight line. One of them is 135°. What is the other angle (in degrees)?
  15. 15.What is the smaller angle between the hands of a clock at 5 o'clock (in degrees)?
  16. 16.An angle measures 90°. What kind of angle is it? (a) Right (b) Straight (c) Obtuse
  17. 17.Three angles meet at a point. Two of them are 80° and 180°. What is the third angle (in degrees)?
  18. 18.A right angle is split into two angles. One of them is 20°. What is the other angle (in degrees)?
  19. 19.An angle measures 40°. What kind of angle is it? (a) Obtuse (b) Right (c) Acute
  20. 20.Two angles together make a straight line. One of them is 20°. What is the other angle (in degrees)?
  21. 21.An angle measures 30°. What kind of angle is it? (a) Straight (b) Acute (c) Right
  22. 22.Three angles meet at a point. Two of them are 70° and 210°. What is the third angle (in degrees)?
  23. 23.Two angles of a triangle are 40° and 125°. What is the third angle (in degrees)?
  24. 24.A right angle is split into two angles. One of them is 15°. What is the other angle (in degrees)?
  25. 25.A right angle is split into two angles. One of them is 25°. What is the other angle (in degrees)?
  26. 26.What is the smaller angle between the hands of a clock at 3 o'clock (in degrees)?
  27. 27.What is the smaller angle between the hands of a clock at 6 o'clock (in degrees)?
  28. 28.An angle measures 95°. What kind of angle is it? (a) Obtuse (b) Right (c) Acute
  29. 29.Three angles meet at a point. Two of them are 80° and 50°. What is the third angle (in degrees)?
  30. 30.An angle measures 170°. What kind of angle is it? (a) Right (b) Obtuse (c) Straight
  31. 31.What is the smaller angle between the hands of a clock at 10 o'clock (in degrees)?
  32. 32.A right angle is split into two angles. 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 60°. What is the other angle (in degrees)?
  34. 34.An angle measures 105°. What kind of angle is it? (a) Right (b) Obtuse (c) Straight
  35. 35.Three angles meet at a point. Two of them are 100° and 90°. What is the third angle (in degrees)?
  36. 36.Two angles together make a straight line. One of them is 30°. What is the other angle (in degrees)?
  37. 37.Three angles meet at a point. Two of them are 80° and 220°. What is the third angle (in degrees)?
  38. 38.What is the smaller angle between the hands of a clock at 2 o'clock (in degrees)?
  39. 39.Three angles meet at a point. Two of them are 100° and 160°. What is the third angle (in degrees)?
  40. 40.An angle measures 50°. What kind of angle is it? (a) Right (b) Acute (c) Straight

Answer key

  1. 150
  2. Acute
  3. 80
  4. 40
  5. 55
  6. 30
  7. 120
  8. 200
  9. 165
  10. 5
  11. Straight
  12. 180
  13. 35
  14. 45
  15. 150
  16. Right
  17. 100
  18. 70
  19. Acute
  20. 160
  21. Acute
  22. 80
  23. 15
  24. 75
  25. 65
  26. 90
  27. 180
  28. Obtuse
  29. 230
  30. Obtuse
  31. 60
  32. 80
  33. 120
  34. Obtuse
  35. 170
  36. 150
  37. 60
  38. 60
  39. 100
  40. Acute

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