← Angles lesson New set →

Class 5 Maths Worksheet: Angles

Maths worksheets lesson 39: Angles · Set 34 · 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 110° and 190°. What is the third angle (in degrees)?
  2. 2.An angle measures 180°. What kind of angle is it? (a) Right (b) Obtuse (c) Straight
  3. 3.Two angles of a triangle are 90° and 55°. What is the third angle (in degrees)?
  4. 4.Two angles of a triangle are 95° and 30°. What is the third angle (in degrees)?
  5. 5.What is the smaller angle between the hands of a clock at 10 o'clock (in degrees)?
  6. 6.A right angle is split into two angles. One of them is 55°. What is the other angle (in degrees)?
  7. 7.Two angles of a triangle are 20° and 20°. What is the third angle (in degrees)?
  8. 8.An angle measures 90°. What kind of angle is it? (a) Straight (b) Right (c) Obtuse
  9. 9.An angle measures 20°. What kind of angle is it? (a) Acute (b) Straight (c) Right
  10. 10.An angle measures 85°. What kind of angle is it? (a) Obtuse (b) Acute (c) Straight
  11. 11.Two angles together make a straight line. One of them is 125°. What is the other angle (in degrees)?
  12. 12.Three angles meet at a point. Two of them are 140° and 70°. What is the third angle (in degrees)?
  13. 13.An angle measures 145°. What kind of angle is it? (a) Obtuse (b) Straight (c) Right
  14. 14.Two angles of a triangle are 80° and 25°. What is the third angle (in degrees)?
  15. 15.What is the smaller angle between the hands of a clock at 7 o'clock (in degrees)?
  16. 16.Two angles together make a straight line. One of them is 145°. What is the other angle (in degrees)?
  17. 17.What is the smaller angle between the hands of a clock at 3 o'clock (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.Two angles of a triangle are 45° and 75°. What is the third angle (in degrees)?
  20. 20.A right angle is split into two angles. One of them is 50°. What is the other angle (in degrees)?
  21. 21.Three angles meet at a point. Two of them are 140° and 90°. What is the third angle (in degrees)?
  22. 22.An angle measures 130°. What kind of angle is it? (a) Straight (b) Right (c) Obtuse
  23. 23.Three angles meet at a point. Two of them are 120° and 90°. What is the third angle (in degrees)?
  24. 24.Two angles of a triangle are 30° and 65°. What is the third angle (in degrees)?
  25. 25.A right angle is split into two angles. One of them is 10°. What is the other angle (in degrees)?
  26. 26.Two angles together make a straight line. One of them is 105°. What is the other angle (in degrees)?
  27. 27.An angle measures 30°. What kind of angle is it? (a) Obtuse (b) Right (c) Acute
  28. 28.Two angles of a triangle are 50° and 120°. What is the third angle (in degrees)?
  29. 29.Three angles meet at a point. Two of them are 70° and 110°. What is the third angle (in degrees)?
  30. 30.Two angles of a triangle are 75° and 55°. What is the third angle (in degrees)?
  31. 31.An angle measures 140°. What kind of angle is it? (a) Right (b) Obtuse (c) Acute
  32. 32.Three angles meet at a point. Two of them are 150° and 120°. What is the third angle (in degrees)?
  33. 33.What is the smaller angle between the hands of a clock at 6 o'clock (in degrees)?
  34. 34.Two angles together make a straight line. One of them is 25°. What is the other angle (in degrees)?
  35. 35.Two angles together make a straight line. One of them is 95°. What is the other angle (in degrees)?
  36. 36.What is the smaller angle between the hands of a clock at 1 o'clock (in degrees)?
  37. 37.An angle measures 10°. What kind of angle is it? (a) Straight (b) Right (c) Acute
  38. 38.Two angles of a triangle are 45° and 60°. What is the third angle (in degrees)?
  39. 39.A right angle is split into two angles. One of them is 45°. What is the other angle (in degrees)?
  40. 40.An angle measures 80°. What kind of angle is it? (a) Acute (b) Obtuse (c) Straight

Answer key

  1. 60
  2. Straight
  3. 35
  4. 55
  5. 60
  6. 35
  7. 140
  8. Right
  9. Acute
  10. Acute
  11. 55
  12. 150
  13. Obtuse
  14. 75
  15. 150
  16. 35
  17. 90
  18. 70
  19. 60
  20. 40
  21. 130
  22. Obtuse
  23. 150
  24. 85
  25. 80
  26. 75
  27. Acute
  28. 10
  29. 180
  30. 50
  31. Obtuse
  32. 90
  33. 180
  34. 155
  35. 85
  36. 30
  37. Acute
  38. 75
  39. 45
  40. Acute

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