← Angles lesson New set →

Class 5 Maths Worksheet: Angles

Maths worksheets lesson 39: Angles · Set 258 · 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 70°. What is the other angle (in degrees)?
  2. 2.What is the smaller angle between the hands of a clock at 6 o'clock (in degrees)?
  3. 3.A right angle is split into two angles. One of them is 50°. What is the other angle (in degrees)?
  4. 4.An angle measures 180°. What kind of angle is it? (a) Obtuse (b) Straight (c) Right
  5. 5.An angle measures 160°. What kind of angle is it? (a) Obtuse (b) Right (c) Straight
  6. 6.Three angles meet at a point. Two of them are 50° and 220°. What is the third angle (in degrees)?
  7. 7.What is the smaller angle between the hands of a clock at 4 o'clock (in degrees)?
  8. 8.Two angles together make a straight line. One of them is 140°. What is the other angle (in degrees)?
  9. 9.Three angles meet at a point. Two of them are 130° and 160°. What is the third angle (in degrees)?
  10. 10.Two angles of a triangle are 35° and 55°. What is the third angle (in degrees)?
  11. 11.Three angles meet at a point. Two of them are 150° and 150°. What is the third angle (in degrees)?
  12. 12.Two angles of a triangle are 30° and 80°. What is the third angle (in degrees)?
  13. 13.Three angles meet at a point. Two of them are 80° and 170°. What is the third angle (in degrees)?
  14. 14.Two angles together make a straight line. One of them is 125°. What is the other angle (in degrees)?
  15. 15.Three angles meet at a point. Two of them are 90° and 200°. What is the third angle (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.Three angles meet at a point. Two of them are 60° and 220°. What is the third angle (in degrees)?
  18. 18.An angle measures 110°. What kind of angle is it? (a) Straight (b) Acute (c) Obtuse
  19. 19.An angle measures 90°. What kind of angle is it? (a) Straight (b) Obtuse (c) Right
  20. 20.Two angles of a triangle are 30° and 100°. What is the third angle (in degrees)?
  21. 21.A right angle is split into two angles. One of them is 80°. What is the other angle (in degrees)?
  22. 22.An angle measures 65°. What kind of angle is it? (a) Obtuse (b) Straight (c) Acute
  23. 23.Two angles of a triangle are 100° and 20°. What is the third angle (in degrees)?
  24. 24.What is the smaller angle between the hands of a clock at 10 o'clock (in degrees)?
  25. 25.Three angles meet at a point. Two of them are 70° and 150°. What is the third angle (in degrees)?
  26. 26.Three angles meet at a point. Two of them are 90° and 180°. What is the third angle (in degrees)?
  27. 27.Two angles together make a straight line. One of them is 55°. What is the other angle (in degrees)?
  28. 28.Two angles together make a straight line. One of them is 150°. What is the other angle (in degrees)?
  29. 29.A right angle is split into two angles. One of them is 60°. What is the other angle (in degrees)?
  30. 30.Two angles together make a straight line. One of them is 35°. What is the other angle (in degrees)?
  31. 31.What is the smaller angle between the hands of a clock at 7 o'clock (in degrees)?
  32. 32.Three angles meet at a point. Two of them are 60° and 90°. What is the third angle (in degrees)?
  33. 33.Two angles of a triangle are 95° and 40°. What is the third angle (in degrees)?
  34. 34.Two angles together make a straight line. One of them is 30°. What is the other angle (in degrees)?
  35. 35.Two angles of a triangle are 50° and 20°. What is the third angle (in degrees)?
  36. 36.Two angles of a triangle are 55° and 30°. What is the third angle (in degrees)?
  37. 37.An angle measures 15°. What kind of angle is it? (a) Obtuse (b) Acute (c) Right
  38. 38.Two angles together make a straight line. One of them is 170°. What is the other angle (in degrees)?
  39. 39.Two angles together make a straight line. One of them is 75°. What is the other angle (in degrees)?
  40. 40.An angle measures 70°. What kind of angle is it? (a) Right (b) Acute (c) Obtuse

Answer key

  1. 110
  2. 180
  3. 40
  4. Straight
  5. Obtuse
  6. 90
  7. 120
  8. 40
  9. 70
  10. 90
  11. 60
  12. 70
  13. 110
  14. 55
  15. 70
  16. 35
  17. 80
  18. Obtuse
  19. Right
  20. 50
  21. 10
  22. Acute
  23. 60
  24. 60
  25. 140
  26. 90
  27. 125
  28. 30
  29. 30
  30. 145
  31. 150
  32. 210
  33. 45
  34. 150
  35. 110
  36. 95
  37. Acute
  38. 10
  39. 105
  40. Acute

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