← Angles lesson New set →

Class 5 Maths Worksheet: Angles

Maths worksheets lesson 39: Angles · Set 229 · 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.Two angles together make a straight line. One of them is 170°. What is the other angle (in degrees)?
  2. 2.Two angles of a triangle are 20° and 45°. What is the third angle (in degrees)?
  3. 3.An angle measures 90°. What kind of angle is it? (a) Obtuse (b) Straight (c) Right
  4. 4.A right angle is split into two angles. One of them is 80°. What is the other angle (in degrees)?
  5. 5.What is the smaller angle between the hands of a clock at 7 o'clock (in degrees)?
  6. 6.An angle measures 75°. What kind of angle is it? (a) Right (b) Acute (c) Obtuse
  7. 7.An angle measures 180°. What kind of angle is it? (a) Obtuse (b) Straight (c) Acute
  8. 8.Three angles meet at a point. Two of them are 150° and 150°. What is the third angle (in degrees)?
  9. 9.Two angles together make a straight line. One of them is 15°. What is the other angle (in degrees)?
  10. 10.Three angles meet at a point. Two of them are 100° and 120°. What is the third angle (in degrees)?
  11. 11.Two angles together make a straight line. One of them is 50°. What is the other angle (in degrees)?
  12. 12.Two angles together make a straight line. One of them is 155°. What is the other angle (in degrees)?
  13. 13.What is the smaller angle between the hands of a clock at 11 o'clock (in degrees)?
  14. 14.A right angle is split into two angles. One of them is 25°. What is the other angle (in degrees)?
  15. 15.What is the smaller angle between the hands of a clock at 3 o'clock (in degrees)?
  16. 16.Two angles of a triangle are 65° and 75°. What is the third angle (in degrees)?
  17. 17.A right angle is split into two angles. One of them is 5°. What is the other angle (in degrees)?
  18. 18.Two angles of a triangle are 55° and 120°. What is the third angle (in degrees)?
  19. 19.A right angle is split into two angles. One of them is 20°. What is the other angle (in degrees)?
  20. 20.Two angles of a triangle are 60° and 80°. What is the third angle (in degrees)?
  21. 21.Three angles meet at a point. Two of them are 120° and 100°. What is the third angle (in degrees)?
  22. 22.What is the smaller angle between the hands of a clock at 6 o'clock (in degrees)?
  23. 23.An angle measures 170°. What kind of angle is it? (a) Obtuse (b) Acute (c) Right
  24. 24.A right angle is split into two angles. One of them is 30°. What is the other angle (in degrees)?
  25. 25.Two angles of a triangle are 85° and 35°. What is the third angle (in degrees)?
  26. 26.What is the smaller angle between the hands of a clock at 4 o'clock (in degrees)?
  27. 27.Two angles of a triangle are 100° and 55°. What is the third angle (in degrees)?
  28. 28.Two angles together make a straight line. One of them is 95°. What is the other angle (in degrees)?
  29. 29.A right angle is split into two angles. One of them is 75°. What is the other angle (in degrees)?
  30. 30.Two angles of a triangle are 45° and 120°. What is the third angle (in degrees)?
  31. 31.Two angles of a triangle are 45° and 115°. What is the third angle (in degrees)?
  32. 32.Three angles meet at a point. Two of them are 140° and 90°. What is the third angle (in degrees)?
  33. 33.A right angle is split into two angles. One of them is 55°. What is the other angle (in degrees)?
  34. 34.Two angles of a triangle are 25° and 140°. What is the third angle (in degrees)?
  35. 35.Three angles meet at a point. Two of them are 110° and 100°. What is the third angle (in degrees)?
  36. 36.Three angles meet at a point. Two of them are 90° and 70°. What is the third angle (in degrees)?
  37. 37.Two angles of a triangle are 65° and 85°. What is the third angle (in degrees)?
  38. 38.Three angles meet at a point. Two of them are 150° and 100°. What is the third angle (in degrees)?
  39. 39.An angle measures 60°. What kind of angle is it? (a) Right (b) Acute (c) Straight
  40. 40.A right angle is split into two angles. One of them is 15°. What is the other angle (in degrees)?

Answer key

  1. 10
  2. 115
  3. Right
  4. 10
  5. 150
  6. Acute
  7. Straight
  8. 60
  9. 165
  10. 140
  11. 130
  12. 25
  13. 30
  14. 65
  15. 90
  16. 40
  17. 85
  18. 5
  19. 70
  20. 40
  21. 140
  22. 180
  23. Obtuse
  24. 60
  25. 60
  26. 120
  27. 25
  28. 85
  29. 15
  30. 15
  31. 20
  32. 130
  33. 35
  34. 15
  35. 150
  36. 200
  37. 30
  38. 110
  39. Acute
  40. 75

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