← Angles lesson New set →

Class 5 Maths Worksheet: Angles

Maths worksheets lesson 39: Angles · Set 801 · 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 3 o'clock (in degrees)?
  2. 2.Two angles of a triangle are 85° and 65°. What is the third angle (in degrees)?
  3. 3.A right angle is split into two angles. One of them is 20°. What is the other angle (in degrees)?
  4. 4.An angle measures 180°. What kind of angle is it? (a) Acute (b) Right (c) Straight
  5. 5.Two angles of a triangle are 80° and 90°. What is the third angle (in degrees)?
  6. 6.Two angles of a triangle are 60° and 75°. What is the third angle (in degrees)?
  7. 7.Two angles together make a straight line. One of them is 50°. What is the other angle (in degrees)?
  8. 8.An angle measures 140°. What kind of angle is it? (a) Obtuse (b) Straight (c) Acute
  9. 9.Two angles of a triangle are 30° and 20°. What is the third angle (in degrees)?
  10. 10.Three angles meet at a point. Two of them are 110° and 60°. What is the third angle (in degrees)?
  11. 11.Two angles together make a straight line. One of them is 80°. What is the other angle (in degrees)?
  12. 12.Two angles of a triangle are 95° and 40°. What is the third angle (in degrees)?
  13. 13.Two angles together make a straight line. One of them is 25°. What is the other angle (in degrees)?
  14. 14.Two angles together make a straight line. One of them is 30°. What is the other angle (in degrees)?
  15. 15.Two angles of a triangle are 65° and 25°. What is the third angle (in degrees)?
  16. 16.Three angles meet at a point. Two of them are 70° and 70°. What is the third angle (in degrees)?
  17. 17.Two angles of a triangle are 20° and 110°. What is the third angle (in degrees)?
  18. 18.What is the smaller angle between the hands of a clock at 6 o'clock (in degrees)?
  19. 19.Two angles of a triangle are 50° and 105°. What is the third angle (in degrees)?
  20. 20.Two angles of a triangle are 95° and 65°. What is the third angle (in degrees)?
  21. 21.Two angles of a triangle are 30° and 40°. What is the third angle (in degrees)?
  22. 22.Two angles together make a straight line. One of them is 105°. What is the other angle (in degrees)?
  23. 23.Three angles meet at a point. Two of them are 60° and 110°. What is the third angle (in degrees)?
  24. 24.What is the smaller angle between the hands of a clock at 9 o'clock (in degrees)?
  25. 25.Two angles of a triangle are 95° and 70°. What is the third angle (in degrees)?
  26. 26.Three angles meet at a point. Two of them are 50° and 100°. What is the third angle (in degrees)?
  27. 27.Two angles together make a straight line. One of them is 20°. What is the other angle (in degrees)?
  28. 28.Two angles together make a straight line. One of them is 15°. What is the other angle (in degrees)?
  29. 29.Two angles together make a straight line. One of them is 110°. What is the other angle (in degrees)?
  30. 30.Three angles meet at a point. Two of them are 120° and 100°. What is the third angle (in degrees)?
  31. 31.Three angles meet at a point. Two of them are 70° and 170°. What is the third angle (in degrees)?
  32. 32.Two angles of a triangle are 90° and 60°. What is the third angle (in degrees)?
  33. 33.Two angles together make a straight line. One of them is 155°. What is the other angle (in degrees)?
  34. 34.Two angles together make a straight line. One of them is 35°. What is the other angle (in degrees)?
  35. 35.Three angles meet at a point. Two of them are 50° and 160°. What is the third angle (in degrees)?
  36. 36.A right angle is split into two angles. One of them is 60°. What is the other angle (in degrees)?
  37. 37.Two angles together make a straight line. One of them is 160°. What is the other angle (in degrees)?
  38. 38.What is the smaller angle between the hands of a clock at 5 o'clock (in degrees)?
  39. 39.Three angles meet at a point. Two of them are 60° and 210°. What is the third angle (in degrees)?
  40. 40.A right angle is split into two angles. One of them is 55°. What is the other angle (in degrees)?

Answer key

  1. 90
  2. 30
  3. 70
  4. Straight
  5. 10
  6. 45
  7. 130
  8. Obtuse
  9. 130
  10. 190
  11. 100
  12. 45
  13. 155
  14. 150
  15. 90
  16. 220
  17. 50
  18. 180
  19. 25
  20. 20
  21. 110
  22. 75
  23. 190
  24. 90
  25. 15
  26. 210
  27. 160
  28. 165
  29. 70
  30. 140
  31. 120
  32. 30
  33. 25
  34. 145
  35. 150
  36. 30
  37. 20
  38. 150
  39. 90
  40. 35

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