← Angles lesson New set →

Class 5 Maths Worksheet: Angles

Maths worksheets lesson 39: Angles · Set 593 · 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.What is the smaller angle between the hands of a clock at 4 o'clock (in degrees)?
  2. 2.Three angles meet at a point. Two of them are 130° and 170°. What is the third angle (in degrees)?
  3. 3.What is the smaller angle between the hands of a clock at 10 o'clock (in degrees)?
  4. 4.A right angle is split into two angles. One of them is 30°. What is the other angle (in degrees)?
  5. 5.Two angles together make a straight line. One of them is 165°. What is the other angle (in degrees)?
  6. 6.A right angle is split into two angles. One of them is 10°. What is the other angle (in degrees)?
  7. 7.What is the smaller angle between the hands of a clock at 7 o'clock (in degrees)?
  8. 8.Two angles of a triangle are 90° and 45°. What is the third angle (in degrees)?
  9. 9.A right angle is split into two angles. One of them is 15°. What is the other angle (in degrees)?
  10. 10.A right angle is split into two angles. One of them is 20°. What is the other angle (in degrees)?
  11. 11.Two angles together make a straight line. One of them is 10°. What is the other angle (in degrees)?
  12. 12.Three angles meet at a point. Two of them are 110° and 50°. What is the third angle (in degrees)?
  13. 13.Two angles of a triangle are 95° and 20°. What is the third angle (in degrees)?
  14. 14.Three angles meet at a point. Two of them are 80° and 50°. What is the third angle (in degrees)?
  15. 15.What is the smaller angle between the hands of a clock at 11 o'clock (in degrees)?
  16. 16.A right angle is split into two angles. One of them is 40°. What is the other angle (in degrees)?
  17. 17.A right angle is split into two angles. One of them is 60°. What is the other angle (in degrees)?
  18. 18.Two angles of a triangle are 70° and 80°. What is the third angle (in degrees)?
  19. 19.Two angles together make a straight line. One of them is 70°. What is the other angle (in degrees)?
  20. 20.An angle measures 90°. What kind of angle is it? (a) Right (b) Acute (c) Obtuse
  21. 21.An angle measures 160°. What kind of angle is it? (a) Obtuse (b) Straight (c) Right
  22. 22.Two angles of a triangle are 40° and 110°. What is the third angle (in degrees)?
  23. 23.Two angles together make a straight line. One of them is 60°. What is the other angle (in degrees)?
  24. 24.An angle measures 25°. What kind of angle is it? (a) Right (b) Straight (c) Acute
  25. 25.A right angle is split into two angles. One of them is 85°. What is the other angle (in degrees)?
  26. 26.What is the smaller angle between the hands of a clock at 8 o'clock (in degrees)?
  27. 27.A right angle is split into two angles. One of them is 5°. What is the other angle (in degrees)?
  28. 28.Three angles meet at a point. Two of them are 90° and 90°. What is the third angle (in degrees)?
  29. 29.Three angles meet at a point. Two of them are 110° and 110°. What is the third angle (in degrees)?
  30. 30.Two angles together make a straight line. One of them is 30°. What is the other angle (in degrees)?
  31. 31.A right angle is split into two angles. One of them is 55°. What is the other angle (in degrees)?
  32. 32.Two angles together make a straight line. One of them is 110°. What is the other angle (in degrees)?
  33. 33.An angle measures 180°. What kind of angle is it? (a) Acute (b) Straight (c) Right
  34. 34.Two angles of a triangle are 35° and 115°. What is the third angle (in degrees)?
  35. 35.Two angles of a triangle are 65° and 90°. What is the third angle (in degrees)?
  36. 36.Three angles meet at a point. Two of them are 80° and 180°. What is the third angle (in degrees)?
  37. 37.What is the smaller angle between the hands of a clock at 6 o'clock (in degrees)?
  38. 38.Two angles of a triangle are 35° and 130°. What is the third angle (in degrees)?
  39. 39.A right angle is split into two angles. One of them is 65°. What is the other angle (in degrees)?
  40. 40.Two angles of a triangle are 80° and 75°. What is the third angle (in degrees)?

Answer key

  1. 120
  2. 60
  3. 60
  4. 60
  5. 15
  6. 80
  7. 150
  8. 45
  9. 75
  10. 70
  11. 170
  12. 200
  13. 65
  14. 230
  15. 30
  16. 50
  17. 30
  18. 30
  19. 110
  20. Right
  21. Obtuse
  22. 30
  23. 120
  24. Acute
  25. 5
  26. 120
  27. 85
  28. 180
  29. 140
  30. 150
  31. 35
  32. 70
  33. Straight
  34. 30
  35. 25
  36. 100
  37. 180
  38. 15
  39. 25
  40. 25

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