← Angles lesson New set →

Class 5 Maths Worksheet: Angles

Maths worksheets lesson 39: Angles · Set 128 · 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.A right angle is split into two angles. One of them is 35°. What is the other angle (in degrees)?
  2. 2.Three angles meet at a point. Two of them are 90° and 200°. What is the third angle (in degrees)?
  3. 3.Two angles together make a straight line. One of them is 130°. What is the other angle (in degrees)?
  4. 4.A right angle is split into two angles. One of them is 40°. What is the other angle (in degrees)?
  5. 5.A right angle is split into two angles. One of them is 30°. What is the other angle (in degrees)?
  6. 6.What is the smaller angle between the hands of a clock at 4 o'clock (in degrees)?
  7. 7.Three angles meet at a point. Two of them are 140° and 50°. What is the third angle (in degrees)?
  8. 8.Two angles together make a straight line. One of them is 95°. What is the other angle (in degrees)?
  9. 9.Two angles together make a straight line. One of them is 135°. What is the other angle (in degrees)?
  10. 10.An angle measures 180°. What kind of angle is it? (a) Straight (b) Acute (c) Obtuse
  11. 11.Two angles of a triangle are 95° and 25°. What is the third angle (in degrees)?
  12. 12.Two angles together make a straight line. One of them is 120°. What is the other angle (in degrees)?
  13. 13.Three angles meet at a point. Two of them are 110° and 130°. What is the third angle (in degrees)?
  14. 14.Three angles meet at a point. Two of them are 80° and 120°. What is the third angle (in degrees)?
  15. 15.Two angles together make a straight line. One of them is 145°. What is the other angle (in degrees)?
  16. 16.Two angles together make a straight line. One of them is 60°. What is the other angle (in degrees)?
  17. 17.Two angles together make a straight line. One of them is 80°. What is the other angle (in degrees)?
  18. 18.What is the smaller angle between the hands of a clock at 10 o'clock (in degrees)?
  19. 19.An angle measures 130°. What kind of angle is it? (a) Straight (b) Obtuse (c) Right
  20. 20.An angle measures 90°. What kind of angle is it? (a) Obtuse (b) Straight (c) Right
  21. 21.What is the smaller angle between the hands of a clock at 3 o'clock (in degrees)?
  22. 22.An angle measures 110°. What kind of angle is it? (a) Right (b) Straight (c) Obtuse
  23. 23.Two angles together make a straight line. One of them is 125°. What is the other angle (in degrees)?
  24. 24.Three angles meet at a point. Two of them are 100° and 130°. What is the third angle (in degrees)?
  25. 25.Two angles of a triangle are 35° and 55°. What is the third angle (in degrees)?
  26. 26.Two angles of a triangle are 85° and 25°. What is the third angle (in degrees)?
  27. 27.Two angles of a triangle are 70° and 100°. What is the third angle (in degrees)?
  28. 28.Three angles meet at a point. Two of them are 150° and 110°. What is the third angle (in degrees)?
  29. 29.A right angle is split into two angles. One of them is 65°. What is the other angle (in degrees)?
  30. 30.A right angle is split into two angles. One of them is 85°. What is the other angle (in degrees)?
  31. 31.Two angles of a triangle are 50° and 65°. What is the third angle (in degrees)?
  32. 32.Three angles meet at a point. Two of them are 150° and 140°. What is the third angle (in degrees)?
  33. 33.A right angle is split into two angles. One of them is 45°. What is the other angle (in degrees)?
  34. 34.A right angle is split into two angles. One of them is 60°. What is the other angle (in degrees)?
  35. 35.Two angles of a triangle are 45° and 70°. What is the third angle (in degrees)?
  36. 36.Two angles together make a straight line. One of them is 65°. What is the other angle (in degrees)?
  37. 37.Three angles meet at a point. Two of them are 60° and 120°. What is the third angle (in degrees)?
  38. 38.Two angles together make a straight line. One of them is 35°. What is the other angle (in degrees)?
  39. 39.Three angles meet at a point. Two of them are 50° and 150°. What is the third angle (in degrees)?
  40. 40.Three angles meet at a point. Two of them are 50° and 160°. What is the third angle (in degrees)?

Answer key

  1. 55
  2. 70
  3. 50
  4. 50
  5. 60
  6. 120
  7. 170
  8. 85
  9. 45
  10. Straight
  11. 60
  12. 60
  13. 120
  14. 160
  15. 35
  16. 120
  17. 100
  18. 60
  19. Obtuse
  20. Right
  21. 90
  22. Obtuse
  23. 55
  24. 130
  25. 90
  26. 70
  27. 10
  28. 100
  29. 25
  30. 5
  31. 65
  32. 70
  33. 45
  34. 30
  35. 65
  36. 115
  37. 180
  38. 145
  39. 160
  40. 150

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