← Angles lesson New set →

Class 5 Maths Worksheet: Angles

Maths worksheets lesson 39: Angles · Set 666 · 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.Two angles of a triangle are 90° and 75°. What is the third angle (in degrees)?
  3. 3.An angle measures 90°. What kind of angle is it? (a) Acute (b) Obtuse (c) Right
  4. 4.What is the smaller angle between the hands of a clock at 6 o'clock (in degrees)?
  5. 5.An angle measures 135°. What kind of angle is it? (a) Obtuse (b) Right (c) Straight
  6. 6.An angle measures 125°. What kind of angle is it? (a) Acute (b) Obtuse (c) Straight
  7. 7.Two angles together make a straight line. One of them is 160°. What is the other angle (in degrees)?
  8. 8.Two angles of a triangle are 50° and 95°. What is the third angle (in degrees)?
  9. 9.Two angles of a triangle are 45° and 20°. What is the third angle (in degrees)?
  10. 10.A right angle is split into two angles. One of them is 20°. What is the other angle (in degrees)?
  11. 11.Three angles meet at a point. Two of them are 90° and 80°. What is the third angle (in degrees)?
  12. 12.Two angles together make a straight line. One of them is 135°. What is the other angle (in degrees)?
  13. 13.Three angles meet at a point. Two of them are 100° and 180°. What is the third angle (in degrees)?
  14. 14.Two angles together make a straight line. One of them is 20°. What is the other angle (in degrees)?
  15. 15.An angle measures 180°. What kind of angle is it? (a) Right (b) Acute (c) Straight
  16. 16.Two angles together make a straight line. One of them is 140°. What is the other angle (in degrees)?
  17. 17.A right angle is split into two angles. One of them is 15°. What is the other angle (in degrees)?
  18. 18.Two angles together make a straight line. One of them is 110°. What is the other angle (in degrees)?
  19. 19.Two angles of a triangle are 85° and 60°. What is the third angle (in degrees)?
  20. 20.Two angles together make a straight line. One of them is 115°. What is the other angle (in degrees)?
  21. 21.Two angles together make a straight line. One of them is 35°. What is the other angle (in degrees)?
  22. 22.An angle measures 60°. What kind of angle is it? (a) Obtuse (b) Right (c) Acute
  23. 23.Three angles meet at a point. Two of them are 70° and 210°. What is the third angle (in degrees)?
  24. 24.Three angles meet at a point. Two of them are 130° and 70°. What is the third angle (in degrees)?
  25. 25.A right angle is split into two angles. One of them is 5°. What is the other angle (in degrees)?
  26. 26.What is the smaller angle between the hands of a clock at 1 o'clock (in degrees)?
  27. 27.An angle measures 10°. What kind of angle is it? (a) Right (b) Acute (c) Obtuse
  28. 28.Two angles together make a straight line. One of them is 125°. What is the other angle (in degrees)?
  29. 29.What is the smaller angle between the hands of a clock at 8 o'clock (in degrees)?
  30. 30.A right angle is split into two angles. One of them is 10°. What is the other angle (in degrees)?
  31. 31.Two angles together make a straight line. One of them is 55°. What is the other angle (in degrees)?
  32. 32.Two angles together make a straight line. One of them is 85°. What is the other angle (in degrees)?
  33. 33.An angle measures 85°. What kind of angle is it? (a) Acute (b) Obtuse (c) Straight
  34. 34.An angle measures 150°. What kind of angle is it? (a) Obtuse (b) Straight (c) Right
  35. 35.Two angles of a triangle are 85° and 70°. What is the third angle (in degrees)?
  36. 36.A right angle is split into two angles. One of them is 55°. What is the other angle (in degrees)?
  37. 37.What is the smaller angle between the hands of a clock at 10 o'clock (in degrees)?
  38. 38.Two angles together make a straight line. One of them is 15°. What is the other angle (in degrees)?
  39. 39.An angle measures 55°. What kind of angle is it? (a) Right (b) Straight (c) Acute
  40. 40.Two angles of a triangle are 55° and 70°. What is the third angle (in degrees)?

Answer key

  1. 150
  2. 15
  3. Right
  4. 180
  5. Obtuse
  6. Obtuse
  7. 20
  8. 35
  9. 115
  10. 70
  11. 190
  12. 45
  13. 80
  14. 160
  15. Straight
  16. 40
  17. 75
  18. 70
  19. 35
  20. 65
  21. 145
  22. Acute
  23. 80
  24. 160
  25. 85
  26. 30
  27. Acute
  28. 55
  29. 120
  30. 80
  31. 125
  32. 95
  33. Acute
  34. Obtuse
  35. 25
  36. 35
  37. 60
  38. 165
  39. Acute
  40. 55

Free maths worksheets lessons, practice and worksheets at talentjr.in/maths-worksheets