← Angles lesson New set →

Class 5 Maths Worksheet: Angles

Maths worksheets lesson 39: Angles · Set 917 · 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 140° and 110°. What is the third angle (in degrees)?
  2. 2.An angle measures 10°. What kind of angle is it? (a) Acute (b) Obtuse (c) Straight
  3. 3.An angle measures 180°. What kind of angle is it? (a) Straight (b) Right (c) Obtuse
  4. 4.An angle measures 60°. What kind of angle is it? (a) Obtuse (b) Straight (c) Acute
  5. 5.A right angle is split into two angles. One of them is 65°. What is the other angle (in degrees)?
  6. 6.Two angles together make a straight line. One of them is 25°. What is the other angle (in degrees)?
  7. 7.Two angles of a triangle are 60° and 85°. What is the third angle (in degrees)?
  8. 8.Three angles meet at a point. Two of them are 100° and 130°. What is the third angle (in degrees)?
  9. 9.Three angles meet at a point. Two of them are 100° and 180°. What is the third angle (in degrees)?
  10. 10.Two angles of a triangle are 50° and 35°. What is the third angle (in degrees)?
  11. 11.Three angles meet at a point. Two of them are 70° and 70°. What is the third angle (in degrees)?
  12. 12.A right angle is split into two angles. One of them is 30°. What is the other angle (in degrees)?
  13. 13.A right angle is split into two angles. One of them is 80°. What is the other angle (in degrees)?
  14. 14.Two angles of a triangle are 20° and 70°. What is the third angle (in degrees)?
  15. 15.Two angles of a triangle are 95° and 20°. What is the third angle (in degrees)?
  16. 16.A right angle is split into two angles. One of them is 50°. What is the other angle (in degrees)?
  17. 17.An angle measures 100°. What kind of angle is it? (a) Right (b) Obtuse (c) Acute
  18. 18.Two angles of a triangle are 55° and 70°. What is the third angle (in degrees)?
  19. 19.What is the smaller angle between the hands of a clock at 9 o'clock (in degrees)?
  20. 20.An angle measures 25°. What kind of angle is it? (a) Acute (b) Obtuse (c) Straight
  21. 21.What is the smaller angle between the hands of a clock at 4 o'clock (in degrees)?
  22. 22.A right angle is split into two angles. One of them is 15°. What is the other angle (in degrees)?
  23. 23.What is the smaller angle between the hands of a clock at 2 o'clock (in degrees)?
  24. 24.Two angles together make a straight line. One of them is 120°. What is the other angle (in degrees)?
  25. 25.Three angles meet at a point. Two of them are 50° and 170°. What is the third angle (in degrees)?
  26. 26.Three angles meet at a point. Two of them are 150° and 150°. What is the third angle (in degrees)?
  27. 27.Two angles of a triangle are 75° and 45°. What is the third angle (in degrees)?
  28. 28.Two angles of a triangle are 60° and 20°. What is the third angle (in degrees)?
  29. 29.What is the smaller angle between the hands of a clock at 10 o'clock (in degrees)?
  30. 30.Two angles of a triangle are 35° and 25°. What is the third angle (in degrees)?
  31. 31.A right angle is split into two angles. One of them is 25°. What is the other angle (in degrees)?
  32. 32.Three angles meet at a point. Two of them are 70° and 220°. What is the third angle (in degrees)?
  33. 33.Two angles together make a straight line. One of them is 60°. What is the other angle (in degrees)?
  34. 34.What is the smaller angle between the hands of a clock at 7 o'clock (in degrees)?
  35. 35.Two angles together make a straight line. One of them is 145°. What is the other angle (in degrees)?
  36. 36.An angle measures 90°. What kind of angle is it? (a) Right (b) Straight (c) Obtuse
  37. 37.Three angles meet at a point. Two of them are 100° and 50°. What is the third angle (in degrees)?
  38. 38.Three angles meet at a point. Two of them are 70° and 140°. What is the third angle (in degrees)?
  39. 39.Three angles meet at a point. Two of them are 130° and 160°. What is the third angle (in degrees)?
  40. 40.What is the smaller angle between the hands of a clock at 1 o'clock (in degrees)?

Answer key

  1. 110
  2. Acute
  3. Straight
  4. Acute
  5. 25
  6. 155
  7. 35
  8. 130
  9. 80
  10. 95
  11. 220
  12. 60
  13. 10
  14. 90
  15. 65
  16. 40
  17. Obtuse
  18. 55
  19. 90
  20. Acute
  21. 120
  22. 75
  23. 60
  24. 60
  25. 140
  26. 60
  27. 60
  28. 100
  29. 60
  30. 120
  31. 65
  32. 70
  33. 120
  34. 150
  35. 35
  36. Right
  37. 210
  38. 150
  39. 70
  40. 30

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