← Angles lesson New set →

Class 5 Maths Worksheet: Angles

Maths worksheets lesson 39: Angles · Set 338 · 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 60°. What is the other angle (in degrees)?
  2. 2.An angle measures 30°. What kind of angle is it? (a) Acute (b) Obtuse (c) Right
  3. 3.Two angles together make a straight line. One of them is 130°. What is the other angle (in degrees)?
  4. 4.What is the smaller angle between the hands of a clock at 11 o'clock (in degrees)?
  5. 5.A right angle is split into two angles. One of them is 70°. What is the other angle (in degrees)?
  6. 6.An angle measures 90°. What kind of angle is it? (a) Acute (b) Obtuse (c) Right
  7. 7.What is the smaller angle between the hands of a clock at 10 o'clock (in degrees)?
  8. 8.What is the smaller angle between the hands of a clock at 3 o'clock (in degrees)?
  9. 9.Two angles together make a straight line. One of them is 70°. What is the other angle (in degrees)?
  10. 10.Two angles of a triangle are 65° and 30°. What is the third angle (in degrees)?
  11. 11.What is the smaller angle between the hands of a clock at 2 o'clock (in degrees)?
  12. 12.A right angle is split into two angles. One of them is 80°. What is the other angle (in degrees)?
  13. 13.Two angles together make a straight line. One of them is 150°. What is the other angle (in degrees)?
  14. 14.Two angles together make a straight line. One of them is 15°. What is the other angle (in degrees)?
  15. 15.Two angles of a triangle are 40° and 110°. What is the third angle (in degrees)?
  16. 16.An angle measures 180°. What kind of angle is it? (a) Straight (b) Obtuse (c) Acute
  17. 17.Two angles of a triangle are 65° and 105°. What is the third angle (in degrees)?
  18. 18.What is the smaller angle between the hands of a clock at 4 o'clock (in degrees)?
  19. 19.Two angles together make a straight line. One of them is 75°. What is the other angle (in degrees)?
  20. 20.A right angle is split into two angles. One of them is 5°. What is the other angle (in degrees)?
  21. 21.A right angle is split into two angles. One of them is 40°. What is the other angle (in degrees)?
  22. 22.What is the smaller angle between the hands of a clock at 5 o'clock (in degrees)?
  23. 23.What is the smaller angle between the hands of a clock at 9 o'clock (in degrees)?
  24. 24.An angle measures 20°. What kind of angle is it? (a) Acute (b) Obtuse (c) Right
  25. 25.Three angles meet at a point. Two of them are 50° and 90°. What is the third angle (in degrees)?
  26. 26.An angle measures 170°. What kind of angle is it? (a) Straight (b) Acute (c) Obtuse
  27. 27.An angle measures 25°. What kind of angle is it? (a) Straight (b) Obtuse (c) Acute
  28. 28.What is the smaller angle between the hands of a clock at 1 o'clock (in degrees)?
  29. 29.Three angles meet at a point. Two of them are 50° and 70°. What is the third angle (in degrees)?
  30. 30.Two angles together make a straight line. One of them is 125°. What is the other angle (in degrees)?
  31. 31.Two angles together make a straight line. One of them is 85°. What is the other angle (in degrees)?
  32. 32.What is the smaller angle between the hands of a clock at 7 o'clock (in degrees)?
  33. 33.Two angles together make a straight line. One of them is 65°. What is the other angle (in degrees)?
  34. 34.Three angles meet at a point. Two of them are 110° and 170°. What is the third angle (in degrees)?
  35. 35.Two angles together make a straight line. One of them is 30°. What is the other angle (in degrees)?
  36. 36.A right angle is split into two angles. One of them is 20°. What is the other angle (in degrees)?
  37. 37.Three angles meet at a point. Two of them are 80° and 120°. What is the third angle (in degrees)?
  38. 38.An angle measures 55°. What kind of angle is it? (a) Obtuse (b) Acute (c) Right
  39. 39.Two angles of a triangle are 60° and 75°. What is the third angle (in degrees)?
  40. 40.Two angles of a triangle are 50° and 70°. What is the third angle (in degrees)?

Answer key

  1. 120
  2. Acute
  3. 50
  4. 30
  5. 20
  6. Right
  7. 60
  8. 90
  9. 110
  10. 85
  11. 60
  12. 10
  13. 30
  14. 165
  15. 30
  16. Straight
  17. 10
  18. 120
  19. 105
  20. 85
  21. 50
  22. 150
  23. 90
  24. Acute
  25. 220
  26. Obtuse
  27. Acute
  28. 30
  29. 240
  30. 55
  31. 95
  32. 150
  33. 115
  34. 80
  35. 150
  36. 70
  37. 160
  38. Acute
  39. 45
  40. 60

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