← Angles lesson New set →

Class 5 Maths Worksheet: Angles

Maths worksheets lesson 39: Angles · Set 167 · 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 5°. What is the other angle (in degrees)?
  2. 2.An angle measures 110°. What kind of angle is it? (a) Acute (b) Straight (c) Obtuse
  3. 3.Three angles meet at a point. Two of them are 60° and 180°. What is the third angle (in degrees)?
  4. 4.Three angles meet at a point. Two of them are 110° and 150°. What is the third angle (in degrees)?
  5. 5.Two angles together make a straight line. One of them is 140°. What is the other angle (in degrees)?
  6. 6.An angle measures 90°. What kind of angle is it? (a) Straight (b) Acute (c) Right
  7. 7.Two angles of a triangle are 60° and 100°. What is the third angle (in degrees)?
  8. 8.Two angles of a triangle are 75° and 45°. What is the third angle (in degrees)?
  9. 9.What is the smaller angle between the hands of a clock at 3 o'clock (in degrees)?
  10. 10.Two angles together make a straight line. One of them is 55°. What is the other angle (in degrees)?
  11. 11.Two angles together make a straight line. One of them is 60°. What is the other angle (in degrees)?
  12. 12.Three angles meet at a point. Two of them are 110° and 90°. What is the third angle (in degrees)?
  13. 13.An angle measures 180°. What kind of angle is it? (a) Straight (b) Obtuse (c) Right
  14. 14.Two angles together make a straight line. One of them is 120°. What is the other angle (in degrees)?
  15. 15.An angle measures 170°. What kind of angle is it? (a) Acute (b) Obtuse (c) Straight
  16. 16.Two angles together make a straight line. One of them is 70°. What is the other angle (in degrees)?
  17. 17.Two angles of a triangle are 25° and 35°. What is the third angle (in degrees)?
  18. 18.A right angle is split into two angles. One of them is 30°. What is the other angle (in degrees)?
  19. 19.Two angles of a triangle are 60° and 90°. What is the third angle (in degrees)?
  20. 20.Three angles meet at a point. Two of them are 140° and 100°. What is the third 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.Two angles of a triangle are 35° and 140°. What is the third angle (in degrees)?
  23. 23.What is the smaller angle between the hands of a clock at 2 o'clock (in degrees)?
  24. 24.A right angle is split into two angles. One of them is 45°. What is the other angle (in degrees)?
  25. 25.Two angles of a triangle are 100° and 45°. What is the third angle (in degrees)?
  26. 26.Three angles meet at a point. Two of them are 110° and 60°. What is the third angle (in degrees)?
  27. 27.Three angles meet at a point. Two of them are 70° and 110°. What is the third angle (in degrees)?
  28. 28.What is the smaller angle between the hands of a clock at 1 o'clock (in degrees)?
  29. 29.A right angle is split into two angles. One of them is 25°. What is the other angle (in degrees)?
  30. 30.Two angles of a triangle are 85° and 90°. What is the third angle (in degrees)?
  31. 31.Two angles together make a straight line. One of them is 95°. What is the other angle (in degrees)?
  32. 32.Two angles together make a straight line. One of them is 125°. What is the other angle (in degrees)?
  33. 33.What is the smaller angle between the hands of a clock at 7 o'clock (in degrees)?
  34. 34.Two angles of a triangle are 25° and 120°. What is the third angle (in degrees)?
  35. 35.Two angles of a triangle are 65° and 20°. What is the third angle (in degrees)?
  36. 36.An angle measures 55°. What kind of angle is it? (a) Straight (b) Obtuse (c) Acute
  37. 37.Three angles meet at a point. Two of them are 130° and 50°. What is the third angle (in degrees)?
  38. 38.Two angles of a triangle are 90° and 20°. What is the third angle (in degrees)?
  39. 39.Three angles meet at a point. Two of them are 90° and 210°. What is the third angle (in degrees)?
  40. 40.What is the smaller angle between the hands of a clock at 10 o'clock (in degrees)?

Answer key

  1. 85
  2. Obtuse
  3. 120
  4. 100
  5. 40
  6. Right
  7. 20
  8. 60
  9. 90
  10. 125
  11. 120
  12. 160
  13. Straight
  14. 60
  15. Obtuse
  16. 110
  17. 120
  18. 60
  19. 30
  20. 120
  21. 145
  22. 5
  23. 60
  24. 45
  25. 35
  26. 190
  27. 180
  28. 30
  29. 65
  30. 5
  31. 85
  32. 55
  33. 150
  34. 35
  35. 95
  36. Acute
  37. 180
  38. 70
  39. 60
  40. 60

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