← Angles lesson New set →

Class 5 Maths Worksheet: Angles

Maths worksheets lesson 39: Angles · Set 618 · 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 5 o'clock (in degrees)?
  2. 2.An angle measures 180°. What kind of angle is it? (a) Obtuse (b) Straight (c) Acute
  3. 3.Three angles meet at a point. Two of them are 80° and 80°. What is the third angle (in degrees)?
  4. 4.A right angle is split into two angles. One of them is 85°. What is the other angle (in degrees)?
  5. 5.Two angles of a triangle are 20° and 80°. What is the third angle (in degrees)?
  6. 6.Two angles of a triangle are 80° and 25°. What is the third angle (in degrees)?
  7. 7.A right angle is split into two angles. One of them is 10°. What is the other angle (in degrees)?
  8. 8.A right angle is split into two angles. One of them is 35°. What is the other angle (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.A right angle is split into two angles. One of them is 30°. What is the other angle (in degrees)?
  11. 11.Two angles of a triangle are 100° and 40°. What is the third angle (in degrees)?
  12. 12.Two angles together make a straight line. One of them is 60°. What is the other angle (in degrees)?
  13. 13.Three angles meet at a point. Two of them are 110° and 130°. What is the third angle (in degrees)?
  14. 14.Two angles together make a straight line. One of them is 90°. What is the other angle (in degrees)?
  15. 15.Two angles of a triangle are 40° and 100°. What is the third angle (in degrees)?
  16. 16.Three angles meet at a point. Two of them are 80° and 220°. What is the third angle (in degrees)?
  17. 17.What is the smaller angle between the hands of a clock at 7 o'clock (in degrees)?
  18. 18.A right angle is split into two angles. One of them is 15°. What is the other angle (in degrees)?
  19. 19.Two angles of a triangle are 95° and 80°. What is the third angle (in degrees)?
  20. 20.What is the smaller angle between the hands of a clock at 6 o'clock (in degrees)?
  21. 21.A right angle is split into two angles. One of them is 20°. What is the other angle (in degrees)?
  22. 22.Two angles together make a straight line. One of them is 30°. What is the other angle (in degrees)?
  23. 23.A right angle is split into two angles. One of them is 70°. What is the other angle (in degrees)?
  24. 24.Three angles meet at a point. Two of them are 80° and 60°. What is the third angle (in degrees)?
  25. 25.Three angles meet at a point. Two of them are 100° and 180°. What is the third angle (in degrees)?
  26. 26.Two angles of a triangle are 45° and 65°. What is the third angle (in degrees)?
  27. 27.Three angles meet at a point. Two of them are 130° and 100°. What is the third angle (in degrees)?
  28. 28.What is the smaller angle between the hands of a clock at 1 o'clock (in degrees)?
  29. 29.An angle measures 40°. What kind of angle is it? (a) Straight (b) Acute (c) Right
  30. 30.Three angles meet at a point. Two of them are 50° and 90°. What is the third angle (in degrees)?
  31. 31.Two angles together make a straight line. One of them is 45°. What is the other angle (in degrees)?
  32. 32.Two angles of a triangle are 75° and 90°. What is the third angle (in degrees)?
  33. 33.Two angles of a triangle are 60° and 40°. What is the third angle (in degrees)?
  34. 34.What is the smaller angle between the hands of a clock at 8 o'clock (in degrees)?
  35. 35.An angle measures 25°. What kind of angle is it? (a) Obtuse (b) Acute (c) Straight
  36. 36.Two angles of a triangle are 35° and 90°. What is the third angle (in degrees)?
  37. 37.What is the smaller angle between the hands of a clock at 11 o'clock (in degrees)?
  38. 38.Three angles meet at a point. Two of them are 90° and 50°. What is the third angle (in degrees)?
  39. 39.Two angles of a triangle are 100° and 70°. What is the third angle (in degrees)?
  40. 40.Two angles together make a straight line. One of them is 25°. What is the other angle (in degrees)?

Answer key

  1. 150
  2. Straight
  3. 200
  4. 5
  5. 80
  6. 75
  7. 80
  8. 55
  9. 35
  10. 60
  11. 40
  12. 120
  13. 120
  14. 90
  15. 40
  16. 60
  17. 150
  18. 75
  19. 5
  20. 180
  21. 70
  22. 150
  23. 20
  24. 220
  25. 80
  26. 70
  27. 130
  28. 30
  29. Acute
  30. 220
  31. 135
  32. 15
  33. 80
  34. 120
  35. Acute
  36. 55
  37. 30
  38. 220
  39. 10
  40. 155

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