← Angles lesson New set →

Class 5 Maths Worksheet: Angles

Maths worksheets lesson 39: Angles · Set 555 · 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 90° and 60°. What is the third angle (in degrees)?
  2. 2.Two angles together make a straight line. One of them is 20°. What is the other angle (in degrees)?
  3. 3.Three angles meet at a point. Two of them are 130° and 170°. What is the third angle (in degrees)?
  4. 4.A right angle is split into two angles. One of them is 35°. What is the other angle (in degrees)?
  5. 5.An angle measures 45°. What kind of angle is it? (a) Acute (b) Straight (c) Obtuse
  6. 6.Two angles of a triangle are 55° and 100°. What is the third angle (in degrees)?
  7. 7.Two angles of a triangle are 95° and 40°. What is the third angle (in degrees)?
  8. 8.Three angles meet at a point. Two of them are 110° and 160°. What is the third angle (in degrees)?
  9. 9.What is the smaller angle between the hands of a clock at 6 o'clock (in degrees)?
  10. 10.A right angle is split into two angles. One of them is 65°. What is the other angle (in degrees)?
  11. 11.Three angles meet at a point. Two of them are 150° and 70°. What is the third angle (in degrees)?
  12. 12.An angle measures 180°. What kind of angle is it? (a) Acute (b) Straight (c) Right
  13. 13.Three angles meet at a point. Two of them are 60° and 230°. What is the third angle (in degrees)?
  14. 14.Two angles together make a straight line. One of them is 115°. What is the other angle (in degrees)?
  15. 15.A right angle is split into two angles. One of them is 60°. What is the other angle (in degrees)?
  16. 16.A right angle is split into two angles. One of them is 5°. What is the other angle (in degrees)?
  17. 17.Two angles together make a straight line. One of them is 120°. What is the other angle (in degrees)?
  18. 18.Two angles together make a straight line. One of them is 45°. What is the other angle (in degrees)?
  19. 19.What is the smaller angle between the hands of a clock at 8 o'clock (in degrees)?
  20. 20.An angle measures 175°. What kind of angle is it? (a) Obtuse (b) Straight (c) Right
  21. 21.Two angles of a triangle are 85° and 55°. What is the third angle (in degrees)?
  22. 22.What is the smaller angle between the hands of a clock at 4 o'clock (in degrees)?
  23. 23.Three angles meet at a point. Two of them are 80° and 80°. What is the third angle (in degrees)?
  24. 24.Two angles together make a straight line. One of them is 125°. What is the other angle (in degrees)?
  25. 25.An angle measures 60°. 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 60°. What is the third angle (in degrees)?
  27. 27.What is the smaller angle between the hands of a clock at 11 o'clock (in degrees)?
  28. 28.A right angle is split into two angles. One of them is 10°. What is the other angle (in degrees)?
  29. 29.A right angle is split into two angles. One of them is 40°. What is the other angle (in degrees)?
  30. 30.Three angles meet at a point. Two of them are 70° and 230°. What is the third angle (in degrees)?
  31. 31.A right angle is split into two angles. One of them is 70°. What is the other angle (in degrees)?
  32. 32.Three angles meet at a point. Two of them are 110° and 50°. What is the third angle (in degrees)?
  33. 33.An angle measures 70°. What kind of angle is it? (a) Right (b) Obtuse (c) Acute
  34. 34.Two angles together make a straight line. One of them is 35°. What is the other angle (in degrees)?
  35. 35.An angle measures 15°. What kind of angle is it? (a) Acute (b) Straight (c) Obtuse
  36. 36.A right angle is split into two angles. One of them is 85°. What is the other angle (in degrees)?
  37. 37.Two angles together make a straight line. One of them is 25°. What is the other angle (in degrees)?
  38. 38.An angle measures 30°. What kind of angle is it? (a) Straight (b) Acute (c) Right
  39. 39.An angle measures 150°. What kind of angle is it? (a) Acute (b) Straight (c) Obtuse
  40. 40.An angle measures 40°. What kind of angle is it? (a) Acute (b) Obtuse (c) Right

Answer key

  1. 210
  2. 160
  3. 60
  4. 55
  5. Acute
  6. 25
  7. 45
  8. 90
  9. 180
  10. 25
  11. 140
  12. Straight
  13. 70
  14. 65
  15. 30
  16. 85
  17. 60
  18. 135
  19. 120
  20. Obtuse
  21. 40
  22. 120
  23. 200
  24. 55
  25. Acute
  26. 160
  27. 30
  28. 80
  29. 50
  30. 60
  31. 20
  32. 200
  33. Acute
  34. 145
  35. Acute
  36. 5
  37. 155
  38. Acute
  39. Obtuse
  40. Acute

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