← Angles lesson New set →

Class 5 Maths Worksheet: Angles

Maths worksheets lesson 39: Angles · Set 207 · 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.An angle measures 90°. What kind of angle is it? (a) Straight (b) Obtuse (c) Right
  2. 2.An angle measures 15°. What kind of angle is it? (a) Straight (b) Obtuse (c) Acute
  3. 3.Three angles meet at a point. Two of them are 100° and 140°. What is the third angle (in degrees)?
  4. 4.What is the smaller angle between the hands of a clock at 3 o'clock (in degrees)?
  5. 5.An angle measures 180°. What kind of angle is it? (a) Right (b) Obtuse (c) Straight
  6. 6.A right angle is split into two angles. One of them is 15°. What is the other angle (in degrees)?
  7. 7.Two angles together make a straight line. One of them is 10°. What is the other angle (in degrees)?
  8. 8.What is the smaller angle between the hands of a clock at 9 o'clock (in degrees)?
  9. 9.Two angles of a triangle are 80° and 25°. What is the third angle (in degrees)?
  10. 10.An angle measures 155°. What kind of angle is it? (a) Obtuse (b) Right (c) Acute
  11. 11.Two angles together make a straight line. One of them is 115°. What is the other angle (in degrees)?
  12. 12.Three angles meet at a point. Two of them are 150° and 70°. What is the third angle (in degrees)?
  13. 13.An angle measures 55°. What kind of angle is it? (a) Obtuse (b) Straight (c) Acute
  14. 14.Two angles of a triangle are 90° and 30°. What is the third angle (in degrees)?
  15. 15.An angle measures 120°. What kind of angle is it? (a) Right (b) Obtuse (c) Straight
  16. 16.Three angles meet at a point. Two of them are 100° and 70°. What is the third angle (in degrees)?
  17. 17.Two angles of a triangle are 80° and 60°. What is the third angle (in degrees)?
  18. 18.Two angles together make a straight line. One of them is 125°. What is the other angle (in degrees)?
  19. 19.A right angle is split into two angles. One of them is 65°. What is the other angle (in degrees)?
  20. 20.What is the smaller angle between the hands of a clock at 2 o'clock (in degrees)?
  21. 21.What is the smaller angle between the hands of a clock at 4 o'clock (in degrees)?
  22. 22.Two angles together make a straight line. One of them is 35°. What is the other angle (in degrees)?
  23. 23.Two angles together make a straight line. One of them is 15°. What is the other angle (in degrees)?
  24. 24.An angle measures 25°. What kind of angle is it? (a) Right (b) Acute (c) Obtuse
  25. 25.Two angles of a triangle are 30° and 65°. What is the third angle (in degrees)?
  26. 26.An angle measures 70°. What kind of angle is it? (a) Acute (b) Right (c) Obtuse
  27. 27.Three angles meet at a point. Two of them are 100° and 100°. What is the third angle (in degrees)?
  28. 28.Two angles together make a straight line. One of them is 110°. What is the other angle (in degrees)?
  29. 29.Two angles together make a straight line. One of them is 30°. What is the other angle (in degrees)?
  30. 30.Two angles of a triangle are 50° and 35°. What is the third angle (in degrees)?
  31. 31.An angle measures 125°. What kind of angle is it? (a) Obtuse (b) Right (c) Acute
  32. 32.Three angles meet at a point. Two of them are 110° and 100°. What is the third angle (in degrees)?
  33. 33.A right angle is split into two angles. One of them is 50°. What is the other angle (in degrees)?
  34. 34.A right angle is split into two angles. One of them is 40°. What is the other angle (in degrees)?
  35. 35.Three angles meet at a point. Two of them are 60° and 90°. What is the third angle (in degrees)?
  36. 36.What is the smaller angle between the hands of a clock at 6 o'clock (in degrees)?
  37. 37.Three angles meet at a point. Two of them are 70° and 90°. What is the third angle (in degrees)?
  38. 38.An angle measures 50°. What kind of angle is it? (a) Acute (b) Right (c) Straight
  39. 39.Two angles of a triangle are 75° and 45°. 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. Right
  2. Acute
  3. 120
  4. 90
  5. Straight
  6. 75
  7. 170
  8. 90
  9. 75
  10. Obtuse
  11. 65
  12. 140
  13. Acute
  14. 60
  15. Obtuse
  16. 190
  17. 40
  18. 55
  19. 25
  20. 60
  21. 120
  22. 145
  23. 165
  24. Acute
  25. 85
  26. Acute
  27. 160
  28. 70
  29. 150
  30. 95
  31. Obtuse
  32. 150
  33. 40
  34. 50
  35. 210
  36. 180
  37. 200
  38. Acute
  39. 60
  40. 60

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