← Angles lesson New set →

Class 5 Maths Worksheet: Angles

Maths worksheets lesson 39: Angles · Set 898 · 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 35°. What kind of angle is it? (a) Straight (b) Obtuse (c) Acute
  2. 2.An angle measures 90°. What kind of angle is it? (a) Straight (b) Obtuse (c) Right
  3. 3.Two angles together make a straight line. One of them is 35°. What is the other angle (in degrees)?
  4. 4.An angle measures 125°. What kind of angle is it? (a) Acute (b) Right (c) Obtuse
  5. 5.Two angles together make a straight line. One of them is 125°. What is the other angle (in degrees)?
  6. 6.A right angle is split into two angles. One of them is 50°. What is the other angle (in degrees)?
  7. 7.Two angles together make a straight line. One of them is 130°. What is the other angle (in degrees)?
  8. 8.What is the smaller angle between the hands of a clock at 4 o'clock (in degrees)?
  9. 9.A right angle is split into two angles. One of them is 55°. What is the other angle (in degrees)?
  10. 10.What is the smaller angle between the hands of a clock at 3 o'clock (in degrees)?
  11. 11.Three angles meet at a point. Two of them are 80° and 90°. What is the third angle (in degrees)?
  12. 12.A right angle is split into two angles. One of them is 20°. What is the other angle (in degrees)?
  13. 13.Two angles together make a straight line. One of them is 105°. What is the other angle (in degrees)?
  14. 14.What is the smaller angle between the hands of a clock at 11 o'clock (in degrees)?
  15. 15.An angle measures 180°. What kind of angle is it? (a) Obtuse (b) Straight (c) Right
  16. 16.Two angles of a triangle are 20° and 130°. What is the third angle (in degrees)?
  17. 17.Three angles meet at a point. Two of them are 110° and 160°. What is the third angle (in degrees)?
  18. 18.A right angle is split into two angles. One of them is 25°. What is the other angle (in degrees)?
  19. 19.Two angles of a triangle are 35° and 130°. What is the third angle (in degrees)?
  20. 20.Three angles meet at a point. Two of them are 70° and 50°. What is the third angle (in degrees)?
  21. 21.Three angles meet at a point. Two of them are 70° and 180°. What is the third angle (in degrees)?
  22. 22.Two angles together make a straight line. One of them is 145°. What is the other angle (in degrees)?
  23. 23.Three angles meet at a point. Two of them are 80° and 80°. What is the third angle (in degrees)?
  24. 24.A right angle is split into two angles. One of them is 15°. What is the other angle (in degrees)?
  25. 25.What is the smaller angle between the hands of a clock at 10 o'clock (in degrees)?
  26. 26.Two angles together make a straight line. One of them is 15°. What is the other angle (in degrees)?
  27. 27.Two angles together make a straight line. One of them is 50°. What is the other angle (in degrees)?
  28. 28.What is the smaller angle between the hands of a clock at 7 o'clock (in degrees)?
  29. 29.Two angles together make a straight line. One of them is 10°. What is the other angle (in degrees)?
  30. 30.A right angle is split into two angles. One of them is 75°. What is the other angle (in degrees)?
  31. 31.Two angles together make a straight line. One of them is 75°. What is the other angle (in degrees)?
  32. 32.Two angles together make a straight line. One of them is 60°. What is the other angle (in degrees)?
  33. 33.What is the smaller angle between the hands of a clock at 5 o'clock (in degrees)?
  34. 34.An angle measures 70°. What kind of angle is it? (a) Acute (b) Obtuse (c) Right
  35. 35.What is the smaller angle between the hands of a clock at 8 o'clock (in degrees)?
  36. 36.Three angles meet at a point. Two of them are 50° and 150°. What is the third angle (in degrees)?
  37. 37.What is the smaller angle between the hands of a clock at 2 o'clock (in degrees)?
  38. 38.Two angles of a triangle are 70° and 75°. What is the third angle (in degrees)?
  39. 39.An angle measures 105°. What kind of angle is it? (a) Straight (b) Acute (c) Obtuse
  40. 40.Two angles together make a straight line. One of them is 140°. What is the other angle (in degrees)?

Answer key

  1. Acute
  2. Right
  3. 145
  4. Obtuse
  5. 55
  6. 40
  7. 50
  8. 120
  9. 35
  10. 90
  11. 190
  12. 70
  13. 75
  14. 30
  15. Straight
  16. 30
  17. 90
  18. 65
  19. 15
  20. 240
  21. 110
  22. 35
  23. 200
  24. 75
  25. 60
  26. 165
  27. 130
  28. 150
  29. 170
  30. 15
  31. 105
  32. 120
  33. 150
  34. Acute
  35. 120
  36. 160
  37. 60
  38. 35
  39. Obtuse
  40. 40

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